Ranjana Jha



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  • Profile
  • QualificationsM.Sc., Ph.D.
  • DesignationProfessor and Head
  • DivisionPhysics
  • Contact No.91-11-25000187, +91-9810210255
  • E-Maildrranjanajha@gmail.com , ranjana@nsit.ac.in

Biosketch

Prof. Ranjana Jha, Department of Physics, Netaji Subhas University of Technology, has been actively involved in research and teaching in the field of Solar Energy Materials and Applied Physics. Received Lifetime Achievement Award in Science and several International and National awards for academics and research in Solar Energy Utilization, Materials and Device fabrication. 

She is Head of the Department of Physics and nominated as a member of University Court of NSUT. She has served as a member of Board of Research Studies of FOT (DU), member of Academic Council, NSUT, addition to being a chairman / member of various other committees at Institute and University level. Prof. Ranjana has also long experience in handling different academic and administrative responsibilities at NSUT.

She is founder and in-charge of Research Lab for Energy Systems at Department of Physics. Her research interest is Solar Energy Materials and Solar Energy Utilization, Development of Nano-structured thin film Solar cells and Characterization of Energy Materials for Device Applications. 

Several postgraduate students have been awarded Ph.D degree and at present many students are pursuing their respective Ph.D under her supervision in Solar Energy materials and utilization and published their research work in SCI Indexed journals under the umbrella of Research Lab for Energy Systems. Several students of B.Tech and M.Sc., level have worked under her supervision for their research projects required by their respective University.

Published 128 manuscripts in reputed International / National Journals and Conference Proceedings. The papers authored/ co-authored by her, have received best paper prize, best oral and poster award, innovative pitch speaker at various national/ international conferences. Attended/ presented papers as an author ,co-author in 80 Iternational and National conferences. There is one published eBook Chapter of Springer Nature.

She has been awarded the certificate of Outstanding Reviewer twice, (2014 & 2016) by Solar Energy Journal, Elsevier. She has been reviewer of several journals like Solar Energy, Applied Surface Science , Journal of Renewable Energy etc. and conferences held in India and Abroad. She has reviewed more than 60 Papers for various Journals and Conferences (international/national).

She is Nodal Officer, Solar Rooftop Power Plant at NSUT. Project in charge of NSUT Solar Car Concept from 2009, to demonstrate the viability of application of photovoltaic technology in the automotive industry. Undertaken several research projects from AICTE, DST, PCRA, MNRE and Energy Efficiency & Renewable Energy Management Centre, Deptt. Of Power, GNCTD, Delhi for design and development of Solar Car.                                   

She is Life member of various learned societies such as Solar Energy Society of India; Indian Chapter of International Centre of theoretical Physics, Italy; Indian Carbon Society, NPL, New Delhi; International Association of Advanced Materials (Sweden), and Institute of Environmental Eco-toxicology and Environmental Sciences, India. Governing council member of Solar Energy Society of India. She is also the Gold member of International Multidisciplinary  Research Foundation,Regd by Govt. of India NITI AYOG/ESTD:U/S 35 of 2001,Govt of A.P,India/HQ:Vijaywada,A.P,India.

She has organized National and International Conferences/Seminars/ Workshops/ Exhibitions organized in various capacity.She has attended 21 number of Faculty Development /Short term courses. She has delivered 22 no. of Invited lectures/talks related to Solar Energy Technologies and materials in various educational and research institutions as well as in various national or international conferences and workshops and part of the panel discussions in International conferences. She has also chaired or co-chaired several sessions in various National or International conferences.

E-mail: drranjanajha@gmail.com

            ranjana.jha@nsut.ac.in

Phone: 91-11-25000187, +91-9810210255

Academic Experience

Dr. Ranjana Jha joined the institute in 1992 since then she is actively involved in the teaching of 1st and 2nd semester students. She is teaching the subjects i.e. Physics-I, Physics-II, Physics of Materials, Electrical Engineering materials, Material Physics and various courses of Nano-Technology to Ph.D students. At present she is working as a Head, Department of Physics.

Supervising Research Scholars pursuing Ph.D. degree (Title/ Topic Research): 

• Study on Energy Conservation in Buildings: Degree awarded to Mr. Nikhil Jindal in March 2015.

• Studies on the Photoanode of Dye Sensitized Solar Cells: Degree awarded to Ms. Sarita Baghel, 2016.

• Studies on Nano-Structured Materials for Solar Energy Conversion: Degree awarded to Mr. Darshan Sharma, 2018.

• Characterization of Nano structured materials and Thin films for Solar energy Conversion: Confirmation granted to Ms. Nandini Sharma, Degree awarded 2018.

• The spectroscopic and X-ray studies of metal oxide nanostructure for solar energy conversation: Ms. Reetu Sharma, thesis submitted  in September 2020.

• Synthesis and characterizatons of solar energy nanomaterials: Ms.  Medha Bhushan,   thesis submitted  in September 2020.

• Study and Growth of Nano/Micro Structure of Nickel Sulphide using Hydrothermal Method for Solar Energy Devices:Ms. Rekha Bhardwaj, will submit thesis in year 2020 

• Synthesis of Nickel oxide (NiO) and its application in Solar Photovoltaics: Ms. Ritu Goel, joined the Ph.D. programme in 2016, confirmation granted, about to submit thesis.

• Registered as a Research Scholar for Ph.D., Ms. Ankita Singh 2017: Confirmation granted, research work is in midway.

• Registered as a Research Scholar for Ph.D., Mr. Ajay kumar  in 2019: Confirmation granted ,research work is in progress.

Travel Grants

 Dr. Ranjana Jha has presented several research papers in various international conferences in countries like U.S., U.K., Australia, Switzerland, Belgium, Turkey and Nepal and received travel grants from various funding agencies like All India Council of Technical Education (AICTE), New Delhi, Council of Science and Industrial Research (CSIR), New Delhi and Netaji Subhas Institute of Technology (NSIT) New Delhi . Visited Stanford University in September 2010 to attend a Workshop on Energy Consevation.

Patent:

1. Design of A Novel Trailing Arm Suspension System With Type One Lever Mechanism, 

• Patent ID-201611042722,

• Publication No.-25/2018,

• IPC Classification-F01N11/00 

Grants/ Projects undertaken:

• Financial assistance to Netaji Subhas Institute of Technology(NSUT) for developing Solar Electric Vehicle

o Sponsoring authority: Energy efficiency & Renewable Energy Management Centre, Deptt. Of Power, GNCTD ,Delhi                                     

o Amount                        : 15 Lacs

o Duration                      : One year(July 2018-July 2019)

o Status                           : Ongoing

• Design and Development of a cost effective and highly efficient Solar Powered Electric Vehicle (SEV) Prototype

o Sponsoring authority: Ministry of New and Renewable Energy (MNRE)                                      Govt. of India, New Delhi

o Amount                        : 16.75 Lacs

o Duration                      : One year(November 2014-November 2015)

o Status                           : Completed

 

• Development of Solar Powered vehicle

o Sponsoring authority: Petroleum Conservation and Research Association(PCRA)  

                                     Govt. of India, New Delhi

o Amount                        : 5.10  Lacs

o Duration                      : Two years ( January 2009-2011)

o Status                           : Completed

• Creation of Technical Resource Centre under probe participation of youth in real time field observation for the benefit of education

o Sponsoring authority: Department of Science and Technology (DST) 

                                       Govt. of India, New Delhi

o Amount                        : 10.0 Lacs

o Duration                      : Six years (2005-2011)

o Status                           : Completed

• Modernization of Physics lab

o Sponsoring authority: All India Council of Technical Education (AICTE) 

                                       Govt. of India, New Delhi

o Amount                        : 12.0 Lacs

o Duration                      : Two years (2000-2002)

o Status                        : Completed

 

Administrative and other Responsibilities in the Institute/ University

1. Head of Department, Physics, NSUT, Dwarka since March 2017.

2. Nodal officer for the Solar Rooftop Power House, NSUT, Dwarka.

3. Project In-charge of NSUT Solar Car since February 2009.

4. In-charge of Physics Lab since October 1998.

5. In-charge of Research Lab for Energy Systems.

6. Public Relation Officer of the Institute form September 2005 to September 2007.

7. Member of various purchase committees, Reception committee for annual convocation, printing of prospectus etc.

8. Superintendent of Practical Exam for School of Applied Sciences i.e. Physics, Chemistry, Mathematics & Biotechnology for all semesters from February 2006 to April 2015.

9. Chairperson of the committee for prevention of sexual harassment of working women. Amendment of CCS conduct rules, 1964 & Establishment of Redressal Mechanism.

10. Member of the committee for revision of the courses & studies, Scheme of examination based on grading system.

11.Member of Board of Management as Invited Member of Netaji Subhas University of Tecnology       ,2020 

12. Nominated as University  Court Member of Netaji Subhas University of Technology ,2019.

Memberships

1. Gold member of International Multidisciplinary Research Foundation,Regd by Govt. of India NITI AYOG/ESTD:U/S 35 of 2001,Govt of A.P,India/HQ:Vijaywada, A.P,India

2. Life member of Institute of Environmental Eco-toxicology and Environmental Sciences, Kolkata, India.

3. Five years membership of International Association of Advanced Materials till year 2021 (Mjärdevi Science Park, Teknikringen 4A S58330, Linköping, Sweden).

4. Life member of Solar Energy Society of India.

5. Life member of Indian Chapter of International Centre of Theoretical Physics, Trieste, Italy.

6. Life member of Indian Carbon Society, NPL, New Delhi, India.

7. Life membership of Global Outreach Research & Education Associate Member ship No. – GOREA/0000/IN/0043.

e-book chapter:

Studies on Synthesis and Various Characteristics of Green Materials for Energy Conversion Applications, Ranjana Jha, Medha Bhushan and Rekha Bhardwaj (Springer publications) https://doi.org/10.1007/978-3-030-50108-2_1.

Areas of Interest
  1. Solar Energy Materials and Solar Energy Utilization.

  2. Development of Nano-structured thin film Solar cells and Characterization of Energy Materials for Device Applications.

Honours and Awards

Awards 

14. Women Super Achiever Award by ISIEINDIA , Imperial Society of Innovative Engineers on 09.10.2020  

13. Engineering Excellence Award by ISIEINDIA , Imperial Society of Innovative Engineers on 09.10.2020  

12. “Global Outreach Agricultural Award-2020” for Excellent Research in Solar Energy on    February, 28-29. 2020.

11.  27th Dewang Mehta National Education Awards for Best Professor in Physics Studies on 28th December, 2019.

10. Dr. APJ Abdul Kalam Award for Life Time Contribution in  Science, conferred on 24th November 2019 BY MARINA Lab Research and Developments (Chennai, India).

9. Research Excellence Awards 2019 under Excellent Author Category, MT Research and Educational Services (MTRES).

 8. “Siksha Gaurav Puraskar”, conferred by Centre for Education Growth and Research ,(CEGR), New Delhi, India.2019.

7. ASDF Global Awards for Best Professor of the year 2018 in London, UK.

6. Received “International Education Awards” for Most Promising Female Professor for Physics in Technical Institute of The Year – 2018, conferred by Time Cyber Media Pvt. Ltd.

5. Received “12th National Education Summit and Awards 2018” for Excellent Research in Solar Energy Utilization.

4. Received “Adarsh Vidya Saraswati Rashtriya Puraskar, National Award of Excellence” by Global management Council, Ahemadabad.

3. Received India Education Award 2018 by Blindwink.in, Market Research Company.

2. Received IMRF Achievers Award 2018 in Applied Physics conferred by The International    Multidisciplinary Research foundation.

1. Received Lifetime Achievement award in Science, Venus International Women Awards, 2017 conferred by Centre for Women Empowerment-CWE of Venus International Foundation (VIWA-2017).

Honors/Recognitions

23. Program Committee Member, 3rd International Conference on trends in Material Science and Inventive Materials, ICTMIN 2021, 14-15 May 2021, and Coimbatore.

22. Honorary Rosalind Member of London Journals Press, Membership# D#HZ29010 for quarter of the year 2020.

21. Program Committee Member, International conference on Applied Physics and Chemistry of Solids, IAPCS-2020, iapcs.org, 08-09 September 2020, Cambridge, UK.

20. Technical reviewer for Acta Materialia Turcica journal.

19. Technical committee member, 3rd International Conference on Materials Design and Applications (ICMDA 2020) will be held in Chiba University, Tokyo, Japan during April 10-13, 2020.

18. Nominated as University Court member of NSUT.  

17. Certificates of AEIS Series as the Co-Chair Organization Committee of ICEOMN, 2019 .

16. Recognized reviewer for Advanced Surface Sciences of the year 2019.

15. Participated in the  iLUMEN EUROPEAN SOLAR CHALLENGE (iESC) Green technology events at Circuit Zolder,Belgium 21-23 September 2018 as a Faculty Incharge of NSUT Solar Car Team.

14. Recognized reviewer for Indian Journal of Pure & Applied Physics (IJPAP).

13. Certificate of outstanding contribution in reviewing for Solar Energy Journal (Elsevier) for November, 2016.

12. Received Best Oral presentation award at International Conference on Nanoscience and Nanotechnology, held at Jamia Millia Islamia, University, Delhi, November 2016.

11. Selected in Top   61 projects in Green and Sustainable Chemistry Challenge, Elsevier (Semi final), Green Quantum Dots Adaptive Solar Cells for Solar Car, 2016.

10. Research paper presentation selected in Innovation Award Pitch Session at ICMTECH-2016, Delhi.

09. Received Best paper Award at 6th WRETC International Conference & Expo held on 21-23rd August 2015, Delhi.

08. Certificate of outstanding contribution in reviewing for Solar Energy Journal (Elsevier) for November, 2014.

07. Member of Governing Council of Solar Energy Society of India (SESI) for two consecutive tenure i.e., from January 2013- December2014 & January 2015- 2017.

06. Recognized reviewer of Solar Energy Journal Elsevier.

05. Honorary Editor of Invertis Journal of Renewable Energy since 2012.

04. Guest Editor of Invertis Journal of Science and Technology Special issue 1 on Solar Energy Utilization and Green Technology, Volume-4, No.-4, 2011.

03. Recognized Reviewer of many International Conferences held in US since 2008.

02. Chaired or Co-Chair several sessions in various National or International conferences.

01. 4th prize for NSIT Solar Car at 3rd Renewable Solar Energy India Expo 2009 at Pragati Maidan, 10-12th August, 2009.

 

LIST OF PUBLICATION MADE IN JOURNALS

1. Trisodium Citrate Assisted Morphology Controlled Synthesis of Nickel Sulphide Nanoparticles with Enhanced Cyclic Stability as Carbonaceous Free Electrode Material Material Physics and Chemistry (Elsevier) SCI indexed. Rekha Bhardwaj and Ranjana Jha https://doi.org/10.1016/j.matchemphys.2020.123581 (Impact factor 3.408) .

2. Improved electrocatalytic performance with enlarged surface area and reduced bandgap of caterpillar and cabbage-like nickel sulphide nanostructures, Applied nanoscience (Springer ) Rekha Bhardwaj, Ranjana Jha , Medha Bhushan DOI:10.1007/s13204-020-01488-7 (Impact factor-3.19) .

3. Controlled growth of α-MoO3 nanostructures with enhanced optical and electrochemical properties without capping agents, Ceramics International  (Elsevier) Reetu Sharma,Ranjana Jha, Anjana Sarkar, Amit Kumar Sharma,Darshan Sharma, Medha Bhushan, Rekha Bhardwaj DOI: 10.1016/j.ceramint.2020.06.085(Impact factor-3.850) .

4. Surface activity correlations of mesoporous 3-D hierarchical ZnS nanostructures for enhanced photo and electro catalytic performance, Applied Surface Science,528 (2020) 146988 (Elsevier),Medha Bhushan and Ranjana Jha (Impact factor-6.270) .

5. Enhanced electrocatalytic activity of the solvothermally synthesized Mesoporous  Rhombohedral nickel sulphide, Materials Science in Semiconductor Processing , 118 (2020) 105194 (Elsevier),Rekha Bhardwaj, Ranjana Jha , Medha Bhushan , Reetu Sharma (Impact factor-(3.08) 

6. Comparative study of the electrochemical properties of mesoporous 1-D and 3-D nano-structures  rhombohedral nickel sulphide in alkaline electrolytes, Journal of Physics and Chemistry of Solids144(2020) 109503(Elsevier),Rekha Bhardwaj, Ranjana Jha,  Medha Bhushan, Reetu Sharma. (Impact factor-3.448) .

7. Investigating the structural ,electrochemical, and optical properties of p-type spherical nickel oxide(NiO) nanoparticles, Journal of Physics and Chemistry of Solids144(2020) 109488 (Elsevier) , Ritu Goel, Ranjana Jha and  Chhaya Ravikant (Impact factor-3.448) .

8. Ethylenediamine –assisted growth of multi-dimensional ZnS nanostructures and study of its charge transfer mechanism on supercapacitor electrode, Nanotechnology 31(2020) 235602 (IOP Publishing), Medha Bhushan, Ranjana   Jha , Reetu Sharma and Rekha Bhardwaj (Impact factor-4.399) .

9. Comparative Investigation of Corrosion-Mitigating Behavior of Thiadiazole-Derived Bis-Schiff Basesfor Mild Steel in Acid Medium: Experimental, Theoretical, and Surface Study, ACS Omega 2020, Bhawna Chugh, Ashish K. Singh,  Sanjeeve Thakur,  Balaram Pani,  Hassane Lgaz , Ill-Min Chung, Ranjana Jha and Eno E. Ebenso (Impact factor-2.584) . 

10. Sol-Gel Mediated Synthesis of TiO2 Nanocrystals: Structural, Optical and Electrochemical Properties, December 2019,International Journal of Applied Ceramic Technology (WILEY), Reetu Sharma, Ranjana Jha and Anjana Sarkar, (Impact factor-1.07) .

11. Small Al cluster ion ilantation into Si and 4H-SiC, Rapid Communication Mass Spectroscopy, Xiaomei Zeng Vasiliy Pelenovich1 Alexei Ieshkin2Andrey Danilov Alexander Tolstogouzov, Wenbin Zuo Jha Ranjana Donghong Hu7|Neena Devi Dejun Fu Xiangheng Xiao, May 2019 33(18) DOI: 10.1002/rcm.8489, 2019 :33:1449-1454.(Impactfactor-2.047).

12. Review:Metal Disulphide Used as Counter Electrode For Dye Sensitized Solar Cell, Journal of Energy Research and Environmental Technology Rekha Bhardwaj, Ranjana Jha, Medha Bhushan, p-ISSN: 2394-1561; e-ISSn: 2394-154X; Volume 6,Issue 2, pp154-156 .

13. Reduced band gap and diffusion controlled spherical n-type ZnS nanoparticles for absorption of UV-Vis region of solar spectrum,Journal of Physics and Chemistry of Solids Medha Bhushan, RanjanaJha,RekhaBhardwaj https://doi.org/10.1016/j.jpcs.2019.05.018. (Impact factor-2.752)

14. Jun-Lian Chen, Wen-Bin Zuo, Xian-Wen Ke, Alexander B Tolstoguzov, Can-Xin Tian, Neena Devi, Ranjana Jha, Gennady N Panin, and De-Jun Fu, Structure, conductivity, and ion emission properties of RbAg4I5 solid electrolyte film prepared by pulsed laser deposition, Chin. Phys. B Vol. 28, No. 6 (2019). (Impact factor-1.321)

15. Review: Synthesis and Application of Nickel Sulphide Nanoparticle 338-340 Rekha Bhardwaj, Ranjana Jha, Medha Bhushan and Ritu Goel, Journal of Basic and Applied Engineering Research (JBAER) p-ISSN: 2350-0077 e-ISSN: 2350-0255.

16. α-MoO3 Nanopowder: A Transition Metal Nano-Oxide and its Photo-Chromic Properties: 334-337 An Overview Reetu Sharma, Ranjana Jha and Anjana Sarkar, Journal of Basic and Applied Engineering Research (JBAER) p-ISSN: 2350-0077 e-ISSN: 2350-0255.

17. Recent Developments of Zinc Oxide Nanostructures as Solar Photocatalysts 329-333 Nandini Sharma and Ranjana Jha, Journal of Basic and Applied Engineering Research (JBAER) p-ISSN: 2350-0077 e-ISSN: 2350-0255.

18. A Critique on Synthesis of 1-D Nanostructure of ZnS and its Potential Applications 325-328 Medha Bhushan , Ranjana Jha , Rekha Bhardwaj and Ritu Goel , Journal of Basic and Applied Engineering Research (JBAER) p-ISSN: 2350-0077 e-ISSN: 2350-0255.

19. Growth of Size-Controllable Tetragonal Rutile Stannic Oxide Nanostructures by Co-Precipitation Route for Eosin Y Dye Degradation under Solar Radiation “Author(s): Nandini Sharma, Ph.D. pursuing; Ranjana Jha, PhD; Reetu Sharma, accepted in  "Journal of Materials Science: Materials in Electronics (JMSE)" .(Imapact Factor-1.486) .

20. Recent advances in Utilization of Wide Band Gap Metal Oxides for Photocatalysis of Organic Waste, Nandini Sharma, Ranjana Jha, Reetu Sharma, Nikhil Jindal, Siddhant Baweja, International Journal of Nanomaterials and Nanostructures(Peer reviewed), 2017, Vol.3, Issue 2, ISSN:-2455-5584.

21. Sonochemical synthesis of Zinc oxide nanoparticles, Nandini Sharma and Ranjana Jha, Advanced Materials Letters, 2017, 2(5), 299-303.(Impact factor-1.46) .

22. Analysis of structural, optical and magnetic properties of Fe/Co co-doped ZnO nanocrystals, Darshan Sharma, Ranjana Jha, Ceramics International, Volume 43, Issue 11, 2017, Pages 8488–8496, DOI: https://doi.org/10.1016/j.ceramint.2017.03.201. . (Impact factor-2.986) .

23. Hydrothermally synthesized Stannic oxide nano-hexagons, Nandini Sharma, Ranjana  Jha, Nikhil Jindal, Materials Today: Proceedings, Accepted for publication. (Peer Reviewed)ISSN: 2214-7853 .

24. Transition metal (Co, Mn) co-doped ZnO nanoparticles: Effect on structural and optical properties, Darshan Sharma, Ranjana Jha, Journal of Alloys and Compounds, PP.532-538, DOI: 10.1016/j.jallcom.2016.12.227. , (Impact factor-3.779)

25. Structural and optical properties of Co-doped ZnO nano-ampoules synthesized by co-precipitation method, Darshan Sharma, Ranjana Jha, Materials Letters, Volume 190, 9-12 DOI: 10.1016/j.matlet.2016.12.124. .(Impact factor-2.572)

26. Study on photo-catalyst Zinc Oxide annealed at different temperatures for photo-degradation of Eosin Y dye, Nandini Sharma, Ranjana Jha, Sarita Baghel and Darshan Sharma, Journal of Alloys and Compounds, Volume 695, PP.270-279, http://dx.doi.org/10.1016/j.jallcom.2016.10.194. .(Impact factor-3.779)

27. Aloe Vera Gel mediated Green synthesis of gamma- Fe2O3 nanoparticles, Ranjana Jha, Ranjana Dagar, Nandini Sharma, International Journal of Innovations in Engineering and Technology (IJIET) Volume 7, Issue 1, PP.663-668. (Impact factor-5.558), 2016

28. Quantum dot sensitized solar cell: recent advances and future perspectives in Photoanode, Darshan Sharma, Ranjana Jha and Shiv Kumar,  Solar Energy Materials & Solar Cells, 2016 , Vol. 155, PP. 294–322, DOI: 10.1016/j.solmat.2016.05.062. . (Impact factor-5.018)

29. Influence of DL-Alanine Fuel Concentration on Structural and Magnetic properties of Nickel Ferrite nanoparticles, Nandini Sharma, Ranjana Jha, International Journal of Innovative Research  in Science, Engineering and Technology, Vol. 4, Issue 5, PP-3508-3515, ISSN(Online) : 2319-8753, ISSN (Print) : 2347-6710, DOI: 10.15680/IJIRSET.2015.04050103, May 2015.(Impact factor-7.089)

30. Material Selection for Dye Sensitized Solar Cells using Multiple Attribute Decision Making Approach(Peer Reviewed), Sarita Baghel, Ranjana Jha and Nikhil Jindal, Journal of Renewable Energy, Vol. 1, 2014, 506216, PP-7.DOI: 10.1155/2014/506216, December 2014. 

31. Thermal response of a non air conditioned buildings by using insulation of various thickness at the different positions of the walls and roof at cold stations of India, N.Jindal, R.Jha and S.Baghel, Journal of Environmental Research And Development (Peer Reviewed) , Vol. 8, Issue 1, E-ISSN : 2319-5983, Sept 2013.

32. Enhancement Of Indoor Temperature For Human Thermal Comfort Using Variable Glazing Area For Cold Stations Of India, N.Jindal, R.Jha and S.Baghel, International Journal of Scientific & Technology Research, Vol 2, Issue 10, ISSN 2277-8616, October 2013.(Impact factor-3.023)

33. Investigation of the Indispensability of Renewable Energy Sources from the Standpoint of Conservation of Ecology and Environment, Shyama Kant Jha, Ranjana Jha, Invertis Journal of Renewable Energy(Peer Reviewed), Vol.2, No. 4, ISSN: 2231-3419, Dec.2012.

34. Life Cycle Assessment of Greenhouse Gas Emissions from Prototype Solar Electric Vehicle & its Feasibility in the Indian Transportation System, Ranajna Jha, Puneet Upadhyaya and Nikhil Gupta, Invertis Journal of Renewable Energy  vol. 2 , (Peer Reviewed) No. 3 , July 2012 .

35. Numerical model for the prediction of interfacial effect of ZnO/TCO on the performance of dye sensitized solar cells, S.Baghel, R.Jha and N.Jindal, Journal of Photonics for Energy (JPE), Society of Photo-Optical Instrumentation Engineers (SPIE). (Peer Reviewed) [DOI: 10.1117/1.JPE.2.XXXXXX), E-ISSN: 1947-7988, USA, May 2012.

36. Elucidation of Rational Trends of G0 , G1 and G2 Tier Dendrimer Prepared with Triazine Ring as Core and Malonate Ester as Branching Unit in Terms of Excess Viscosities, Volumes and Free Energies Measured at 298.15 and 303.15 K. in Aqueous Binary Solution, Shalini Gupta, Man Singh, K.C. Gupta and Ranjana Jha, Invertis Journal of Science and Technology, (Peer Reviewed) Vol.4, Issue 4, Pg 240-245, 2011.

37. Organic Solar Cells: A Review, Sarita Baghel, Ranjana Jha. Nikhil Jindal and Nisha Tanwar,     

Invertis Journal of Science and Technology, (Peer Reviewed) Vol.4, Issue 4, Pg 229-233, 2011.

38. Benefits of Sol-Gel Electrocromism, Amrita Kumari and Ranjana Jha, Invertis Journal of Science and Technology, (Peer Reviewed) Vol-II, No: 1, pp 24-32, 2008.

39. Different Glazing Systems and their impact on human thermal comfort –Indian Scenario,  Mahesh Singh, S.N.Garg and Ranjana Jha, Building and Environment, (Peer Reviewed)Vol 43, no. 10, pp 1596-1602,2008.

40. Performance Prediction of Hybrid Air-to-Water Solar Heater. H.P. Garg, C.Chaudhary, Ranjana Jha. Renewable Energy Vol. 2, no.3, PP 211-318, 1992 U.K. (Impact Factor-4.357)

41. Solar Water Heaters Suitable for high Latitude Stations. H.P.Garg, C. Chaudhary, Ranjana Jha and Z.H.Zaidi. Renewable Energy, 1992.(Impact factor-4.357)

42. Design Parameters of Winter House for Thermal Heating. Ranjana Jha G.N.    Tiwari, H.P.Garg and Z.H. Zaidi, Energy Convrs. Mgmt 31 (5), 555-563, 1991.(Impact factor-5.589)

43. Performance Parameters of Solar Heated House. Ranjana Jha, C. Choudhary, H.P.Garg and Z.H. Zaidi, Energy Convrs. Mgmt. Vol. 33 no. 4, PP 263-273, 1992.(Impact factor-5.589)

44. Solar Thermal  System with Transparent Insulation. J.Prakash, H.P.Garg, Ranjana Jha and D.S. Hrishikeshan, Energy Convrs. Mgmt., 33 (11) 987-996, 1992.(Imapct factor-5.589)

45. Thermal Evaluation of a Winter House. Ranjana Jha, C. Choudhary, H.P. Garg, Z.H. Zaidi Energy Convrs. Mgmt. 31(6) 555-563, 1991.(Impact factor-5.589)

46. Theoretical Analysis on a New Finned Type Solar Air Heater. H.P. Garg, Ranjana Jha, C. Choudhary and Gouri Datta. Energy.(Peer Reviewed) The International Journal 16 (10), 1231-1236, 1991.

47. Evaluation of the Performance of a Cabinet Type Solar Dryer. Sanjay Sharma, V.K. Sharma, Ranjana Jha and R.A. Ray, Energy Convrs. Mgmt., Vol 30, no 2, PP. 75-80, 1990.(Impact factor-5.589)

48. “Theoretical Studies on the use of Transparent Insulation in some Solar Energy Device”. H.P.Garg, J.Prakash, Ranjana Jha and D.S. Harishikesan. Proc. World Solar Energy Congress.(Peer Reviewed)Kobe, Japan Press, 1990, PP 2227-2231. 

49. Analysis of a Solar Air Heater with Natural Flow in the Upper Channel and Forced Flow in the Lower Channel. A.K. Bhargava, Ranjan Jha, H.P. Garg. Energy Conservation and management, Vol 30. No. 3, PP. 231-234, 1990.(Impact factor-5.589)

50. Performance Studies of an Integrated Solar Collector – Cum Storage Water Heating System with Transparent Insulation Cover. J.Prakash, H.P. Garg, D.S. Hrishikesan and Ranjan Jha, Solar and Wind Technology, (Peer Reviewed)Vol 6, no 2, PP. 171-176, 1989.

51. System Performance of Built- Storage type Solar Water Heater with Transparent   Insulation. H.P. Garg, D.S. Garg, D.S. Hrishikeshan and Ranjana Jha. Solar and Wind Technology, (Peer Reviewed) Vol 5, no. Page 533-538, 1988.

LIST OF PUBLICATION MADE IN CONFERENCE

76. Ritu Goel , Ranjana  Jha, Medha Bhushan,  Rekha Bhardwaj,Chhaya Ravikant Studying the properties of NiO thin film synthesized in the ammonia evaporated environment, International conference on Advances in Smart Materials and Emerging Technologies,on 23-24 January,2020,IGDTUW,Kashmiri Gate,Delhi.

75. Ajay Kumar, Ranjana  Jha, Medha Bhushan,  Rekha Bhardwaj,Reetu Sharma Review on synthesis of various morphologies of MoS2 using hydrothermal method,International conference on Advances in Smart Materials and Emerging Technologies,on 23-24 January,2020,IGDTUW,Kashmiri Gate,Delhi.

74. Ritu Goyal, Ranjana Jha, Medha Bhushan, Rekha Bhardwaj and Chaya Ravikant, Electrical and optical properties of Nio thin film synthesized via Hydrothermal technique, National Conference on Recent Trends and Advancements in Chemical Sciences, on 29-31 March, 2019, Department of Chemistry and Bhskaracharya College of Applied Sciences, University of Delhi in association with Society for Promotion of Education and Sciences at New Delhi, India.

73. Rekha Bhardwaj, Medha Bhushan, Ranjana Jha  Synthesis of unique Nickel Sulphide (Ni3S2& β-NiS) Nano morphology for counter electrode in Quantum  Dot Dye Sensitized Solar Cell on 14-15 March 2019,IAPE,Innovative Applied Energy, St Cross College, University of Oxford, United Kingdom.

72. Reetu Sharma *, Ranjana Jha and Anjana Sarkar Synthesis and Growth of Hetero-structures of α-MoO3 Nanoparticles and its doped variants for Photo-Chromic Properties, on 14-15 March 2019,IAPE,Innovative Applied Energy, St Cross College, University of Oxford, United Kingdom.

71. Medha Bhushan, Ranjana Jha and Rekha Bhardwaj Multi-dimensional solvothermal growth and characterization of ZnS nanoparticles for photoanodes in solar cells on 14-15 March 2019,IAPE,Innovative Applied Energy, St Cross College, University of Oxford, United Kingdom.

70. Rekha Bhardwaj , Ranjana Jha , Medha Bhushan Electrical study of Synthesized Nickel Sulphide Nanoparticles International Conference On Advance in Nanomaterials and Devices for Energy and Environment, Environment at ABV-IIITM Gwalior held on 27-29 Jan,2019.

69. Rekha Bhardwaj, Ranjana  Jha ,Medha Bhushan, Ritu Goel ,Reetu Sharma,Metal sulphides used as   Counter electrode for Dye  Sensitized Solar Cell ,SOLARIS 2019, Jamia Millia Islamia,New Delhi, February 7-9,2019.   

68. Medha Bhushan,Ranjana Jha,Rekha Bhardwaj,Reetu Sharma, Role of Zinc Sulphide nanoparticles in Buffer Layer for Solar Cell Applications,SOLARIS- 2019,Jamia Millia Islamia,New Delhi, February 7-9,2019

67. Medha Bhushan,Ranjana Jha,Rekha Bhardwaj,Reetu Sharma, Serrated Hexagonal ZnO nanoparticles: Synthesis and its characterization) in International Conference on Advances in Nanomaterials and Devices for Energy and Environment at ABV-IIITM Gwalior held on 27-29 Jan,2019.

66. Reetu Sharma, Anjana Sarkar , Ranjana Jha and Amit Kumar Sharma,Synthesis,Structural,Optical and electrochemical properties of α-MoO3 and its composites, 6th  World Congress on Nanomedical Sciences ISNSCON-2019 at Vigyan Bhawan,New Delhi ,January 7th -10th. 

65. Ankita Singh, Sanjeev Thakur, Ranjana Jha, Darshan Sharma, Solar cell: A Green Technology? National conference on Environmental Awareness March 13 2018,Lucknow

64. Reetu Sharma, Anjana Sarkar , Ranjana Jha, Nandini Sharma, Synthesis and growth of Hetero structures  of  α- MoO3 Nano particles and its photo chromic properties. National conference on Environmental Awareness March 13 2018, Lucknow

63. Ritu Goel, Chhaya Ravikant ,Ranjana Jha, Medha Bhushan, Rekha Bhardwaj, Darshan Sharma, Enhancing the optical properties of nickel oxide, National conference on Environmental Awareness March 13 2018,Lucknow

62. Rekha Bhardwaj ,Ranjana Jha,Medha Bhushan,Ritu Goel,Darshan Sharma,Nickel Sulphide nanoparticles synthesized by co-precipitation method for energy storage device, National conference on Environmental Awareness March 13 2018,Lucknow

61. Medha Bhushan, Ranjana Jha,Darshan Sharma, Rekha Bhardwaj,Ritu Goel,Utilization of ZnS nano-particles for soalr cell fabrication , National conference on Environmental Awareness March 13 2018,Lucknow

60. Ranjana Jha, Environmental, health and Safety(EHS) issues: Toxicity in solar cells, 6th International Conference on Ecotoxicology&Environmental Sciences, February 19-21,2018,Netaji Subhas Institute of Technology, New Delhi.

59. Ankita Singh,Sanjeev Thakur,Ranjana Jha,Medha Bhushan,Rekha Bhardwaj,Ritu Goel,Reetu Sharma ,Towards a greener alternative to lead Perovskite solar cells, 6th International Conference on Ecotoxicology&Environmental Sciences, February 19-21,2018,Netaji Subhas Institute of Technology, New Delhi.

58. Medha Bhushan, Ranjana Jha,Medha Bhardwaj,Ritu Goel, Structural and Optical properties of ZnS Nanocrystals synthesized using Co-precipitation method, 6th International Conference on Ecotoxicology&Environmental Sciences,February 19-21,2018,Netaji Subhas Institute of Technology, New Delhi.

57. Ritu Goel,Chhaya Ravikant,Ranjana Jha ,Rekha Bhardwaj,Medha Bhushan ,Synthesis and Characterization of Nickel Oxide using Co-precipitation method, ,6th International Conference on Ecotoxicology&Environmental Sciences,February 19-21,2018,Netaji Subhas Institute of Technology, New Delhi.

56. Rekha Bhardwaj,Ranjana Jha,Medha Bhushan,Ritu Goel, Nickel Sulphide nanoparticle synthesized by hydrothermal method for energy storage devcie, 6th International Conference on Ecotoxicology&Environmental Sciences,February 19-21,2018,Netaji Subhas Institute of Technology, New Delhi.

55. Nandini Sharma, Ranjana Jha, Reetu Sharma and Nikhil Jindal ,Structural and optical properties of Zinc Oxide Nanostructures Synthesized by Hydrothermal Process for photocatalysis of EY Dye, 6th International Conference on Ecotoxicology&Environmental Sciences, February 19-21,2018, Netaji Subhas Institute of Technology, New Delhi.

54. Anjana Sarkar,Ranjana Jha,Amit Kumar Sharma, Nandini Sharma, Tailoring of TiO2 nanostructures from surfactant free route and its DSSC Properties, Reetu Sharma,6th International Conference on Ecotoxicology&Environmental Sciences,February 19-21,2018, Netaji Subhas Institute of Technology, New Delhi.

53. Nandini Sharma and Ranjana Jha, .Growth of efficient Tin oxide Quantum dots and Effect of annealing on photo catalytic activity,5th Nano Today Conference, December 6-10 ,2017,Hawaii,USA.

52. Ranjana Jha and Nandini Sharma, Zinc Oxide nano flowers for better environmental applications: Enhancement in interfacial charge carrier dynamics, 5th Nano Today Conference, December 6-10,2017,Hawaii,USA.

51. Reetu Sharma ,Anjana Sarkar,Ranjana Jha and Nandini Sharma, Modified hydrothermalfabrication of stratified layered MOO3 Nanosheets and Photo chromic properties, 5th Nano Today Conference, December 6-10 ,2017,Hawaii,USA.

50. Rekha Bhardwaj, Ranjana Jha, Medha Bhushan and Ritu Goel, Nickel Sulphide Nanoparticle Synthesized by Co-precipitation method for Solar Energy Conversion, 10th National Conference on Solid state chemistry and allied areas(ISCAS-2017), Delhi Technological University, Delhi, India, 1st-3rd July 2017.

49. Medha Bhushan, Ranjana Jha, Darshan Sharma, Rekha Bhardwaj and Ritu GoelCharacterization of ZnS nano crystals synthesised using Co-precipitation method,  10th national Conference on Solid State Chemistry and allied areas(ISCAS-2017), Delhi Technological University, Delhi, India, 1st-3rd July 2017.

48. Nandini Sharma, Ranjana Jha, Siddhant Baweja and Reetu Sharma, Review of recent progress in photo catalytic water splitting for industrial waste water treatment, 10th national conference on solid state chemistry and allied areas(ISCAS-2017), Delhi Technological University, Delhi, India 1st-3rd July 2017.

47. Ritu Sharma, Anjana Sarkar, Ranjana Jha, Nandini Sharma, Deeksha Sharma, Synthesis of Nano metal oxide using Hydrazone based complex precursor, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi.

46. Darshan Sharma, Ranjana Jha, Strategies for improving Photovoltaic performance for Quantum dot sensitized Solar cell, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi, National Conference on Clean and Green Energy.

45. Ritu Goel, Chhaya Ravikant, Ranjana Jha, Darshan Sharma, Nikhil Jindal, Medha Bhushan, Rekha Bhardwaj, Hybrid Perovskite Solar Cells using Vapor Deposition techniques, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi.

44. Rekha Bhardwaj, Ranjana Jha, Darshan Sharma, Medha Bhushan, Ritu Goel, Nickel Sulphide nano-structures : Application in thin-film solar, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi.

43. Medha Bhushan, Ranjana Jha, Darshan Sharma, Nikhil Jindal, Rekha Bhardwaj, Ritu Goel, Graphitic Carbon Nitride: An effective material for Hydrogen evolution Reaction, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi.

42. Ritu Goel, Chhaya Ravikant, Ranjana Jha, Medha Bhushan, Rekha Bhardwaj, Elimination of Toxicity in Solar Cell, ICANN-2016, 4-5th November 2016, Jamia Millia University, Delhi.

41. Nandini Sharma, Ranjana Jha, Nikhil Jindal, Darshan Sharma and Sarita Baghel, Effect of varied Hydrothermal conditions on structural properties of Zinc oxide, ICANN-2016, 4-5th November 2016, Jamia Millia University, Delhi.

40. Darshan Sharma, Ranjana Jha, Effect of Co and Mn doping on structural and optical properties of ZnO nanocrystals, New Scintillations on Materials Horizon 2016, 21-23rd October, 2016, M.J.P. Rohilkhand University, Bareilly, U.P.

39. Nandini Sharma, Ranjana Jha, Nikhil Jindal and Sneha Yadav, Controlled Hydrothermal synthesis of ZnO nanoparticles, NanoDev-2016, 11th -16th July, 2016, PEC University of Technology, Chandigarh.

38. Reetu Sharma, Amit Sharma Anjana Sarkar and  Ranjana Jha,  Nano-particles of chromium and manganese oxide by using Hydrazone based complex precursor, BIOTIKOS-2016, March 2016, TERI University, Delhi.

37. Nandini Sharma, Ranjana Jha and Sarita Baghel, Review of recent progress in Organic Solar Cells, National Conference on Advancements in Electronics & Computer Applications, 4-5th February,2016, Shaheed Rajguru College of Applied Sciences for Women, University of Delhi, India, ISBN: 978-93-5254-496-7: Paramount publishing house.

36. Nandini Sharma, Ranjana Jha, Influence of solvent on structure of zinc oxide nanoparticles, Solar-Icon 2016, 13th Solar International congress, 28-30 January 2016, Habitat Centre, New Delhi, India, ISBN: 10:81-8454-162-5, PP. 30-33.

35. Nandini Sharma, Ranjana Jha, Efficient Cathode layers in solar cell: A review, Solar-Icon 2016, 13th Solar International congress, 28-30 January 2016, Habitat Centre, New Delhi, India, ISBN: 10:81-8454-162-5, PP.34-39.

34. Nandini Sharma, Ranjana Jha, ?????? ????????? - ????? ????? ??????? ?? ??? ?????? ??????, ????? ??????????? ???? ?????? ???????? ?? ????????? ???????-2015, At ????????-????????? ????? ??????????, ?? ?? ?? ????????? ????, ?? ??????-110012.

33. Nandini Sharma, Ranjana Jha, Study of Catalytic effect of Advanced Counter Electrode materials for Solar Energy Conversion, Solar Asia-2015, Savitribai Phule Pune University, To be presented on 30 July- 1 August, 2015 at Pune, India. 

32. Nandini Sharma, Darshan Sharma and Ranjana Jha, Structural properties of Zinc Oxide nanoparticles synthesized by co precipitation method for Solar Energy  Conversion, 6th World Renewable Energy Technology Congress, International Conference & Expo., 21-23 August, 2015 at Delhi, India.

31. Darshan Sharma and Ranjana Jha, Structual and Morphological Properties of Cobalt- doped ZnO Nano- ampoules synthesized by Co- precipitation Method, ICORE-2014, November 2014 at Delhi, India, PP.255-258, ISBN: 10:81-8454-150-3, published by Solar energy society of India

30. Ranjana Jha and Nikhil Jindal, “ Performance Prediction of Energy Efficient Building using Economical Building Materials in Indian scenario, Oral presentation in Solar 2014, July 2014 at San Francisco, US.

29. S.Baghel and R.Jha, “Analysis of the Effect of Nanostructured Paste Components on the Efficiency of Dye Sensitized Solar Cells:  A Taguchi Approach”, International Congress on Renewable Energy, KIIT University, Bhubaneshwar, Odisha, PP. 27-29 November, 2013,ISBN: 978-93-82880-80-6

28. Darshan Sharma, Ranjana Jha, Sarita Baghel,”Quantum dot based solar cells: recent developments and future challenges”, National Conference on Condensed Matter Days, N.I.T Rourkela, Odisha held on 29-31 Aug, 2013. 

27. Sarita.Baghel, Darshan Sharma and Ranjana Jha,” Advanced Materials and Configurations for the Photoelectrode of Dye Sensitized Solar Cells, National Conference on Condensed Matt2-77-6

25. Nikhil Jindal, Ranjana Jha, Optimization of glazing area for human thermal comfort for cold stations of Indian region, Cleantech for Sustainable Buildings, from nano to urban scale, CISBAT proceedings, PP.523-528, Vol.1, ISBN: 978-2-8399-0907-5, Lausanne, Switzerland, 14-16 Sept 2011, École Poly Technique Fédérale De Lausanne.

24. S.Baghel, R.Jha and N.Jindal, “Efficiency Enhancement of Dye Sensitized Solar Cells using Nanomaterials”, 2nd International Conference on National Solar Mission: Issues & Solutions, Mumbai, 19-20 April, 2011.

23. Energy Efficient Building: Status, challenges and opportunities in Indian scenario, 1st India International Energy Summit (IIES), 28-30 January 2011, Visvesvaraya National Institute of Technology, Nagpur, Maharashtra.

22. Recent Developments in Dye Sensitized Solar Cell, First National Conference on Recent Advances in Polymer Nanocomposites, Jan14-15, Department of Physics Zakir Husain College, 2011, University of Delhi.  Oral Presentation.

21. Prediction of Indoor Thermal comfort Zone using U values of opaque and transparent component of building for different climatic Zones of India , Proceedings of ICORE-2010 , International Congress on Renewable Energy, PP. 205-207, 1-3 Dec,2010, Chandigarh, India, Ranjana Jha and Nikhil Jindal. 

20. Presented “Solar Car Project Advay-II at ISTIAM, Nov.2009, at NSIT. N.Delhi.

19. Presented “NSIT Solar Car” at 3rd Renewable Energy India Expo at Pragati Maidan , N. Delhi 10-12 Aug, 2009 and awarded 4th Prize in competition.

18. Performance Prediction of Different Glazing Systems and Impact on Human Thermal Comfort- Analysis of Two Climatic Zones in Indian – Subcontinent. Ranjana Jha, Proceedings of Solar – 2008,ISBN: 9781605604787, San Diego,USA, from 5th-9th May, 2008.

17. Computation of heating and cooling Degree-Hours for different climates of India, S.Rajkumar, S.N.Garg, S.C.Kaushik and Ranjana Jha, Proceedings of SOLARIS 2007, 3rd International Conference on Solar Radiation and Day Lighting, Feb. 7-9, 2007, New Delhi, India, Anamaya Publishers, ISBN: 8188342548 9788188342549 8188342432 9788188342433. 

16. Sun  in  Hindu  Mythology , Ranjana Jha ,  History  Paper , Proc. of  solar  World  Congress  Orlando ,  Florida , USA , ISBN: 9781622762637, 6-12TH Aug, 2005.

15. Thermal  evaluation  of  a  “ Winter – House “ incorporated  with  Closed  loop  Air- To- Water  solar Collector  Design. Ranjana Jha, Proc. of Solar World Congress, Orlando, Florida, USA from 6th -12th   Aug. 2005. 

14. Performance Prediction of Rain Water Harvesting System at NSIT, Dwarka, India. V.K.Kapoor, A.Arora , Ranjana Jha , Proc. of  Vth Annual  Conference  of  Indian  Society  of  Information  Theory  and  Application, 2002.

13. Performance Prediction of a Root Zone Sewage System in India. V.K. Kapoor , Ranjana  Jha & N.C. Nigam  Proc. of  Vth  Annual Conference  of  Indian  Society of  Information  Theory  and  Application,  2002.

12. Performance Prediction of a Hybrid Air to Water Solar Heater. Ranjana Jha Proc. ISES 2001, Adelaide, Australia, 2001, 8 Pages, ISBN: 

11. Performance Prediction of a Non- Air – Conditioned Passive Solar House for Cold Climate of Srinagar, India. Ranjana Jha and H.P.Garg, Proc. World Renewable Energy Congress-VI at Brightion, UK, 2000, PP2273-2276, ISBN: 978-0-08-043865-8, 

10. Design Parameters of Non- Air Conditioned Passive Solar House for Cold Climate of Srinagar, India. Ranjana  Jha and  H.P.Garg, Proc. Indoor Air Temperature Standards for  21st  Century  Oxford  Brookes University ,  U.K., Taylor and Francis, ISBN: 0419 204202, August 26-28th, 1994. 

9.  Design Parameters of a Winter House for Thermal Heating. Ranjana Jha Proc. VIII International Congress and   Exhibition, New Delhi, November 29-30, 1994 PP- 105. 

8.  Solar Water Heating Using Solar Air Collectors. H.P. Garg. C. Choudhary, Ranjana Jha and Z.H. Zaidi. Presented at 6th Miami International Symp. On Heat & Mass Transfer, Dec. 10-12, 1990, Miami Florida, USA, Publisher: Clean Energy Research Institute, University of Miami, 1991. 

7.  Theoritical studies on the use of Transparent Insulation in some Solar energy Devices. H.P. Garg, J. Prakash, Ranjana Jha and D.S. Harishikesan. Proc. World Solar Energy Congress, Kobe, Japan Press, PP 2227-2231, 1990.

6.  Theoretical Analysis on a New Finned Type Solar Air Heater“. H.P. Garg, Ranjana Jha, C. Choudhary and G.Dutta Proc. World Solar Energy Congress, Kobe Japan, Sept. 4-8, 1989. Clean and safe Energy Forever, Vol.1, Pergaman Press, 1990, PP 537-541;

5.  Development of an Inexpensive Solar Collector Cum Storage for Agricultural Requirements. V.K. Sharma, Ranjana Jha and R.A. Ray.  Proceeding of Third Arab International Solar Energy Conference Solar Energy Research Centre, Baghdad, Iraq, 21-24 Feb. 1988.

4.  Investigation on some Natural Conventional Solar Dryer for Agricultural products. Sanjay Sharma , R.A. Ray, Ranjana Jha  Published  in  the  Proceeding  of  National  Seminar on  Solar  Energy  and  Rural  Development  at  Kolhapur May  29-21, 1988.

3.  Experimental Studies of Inexpensive Nature Conventional Solar Dryer for Agricultural Products.  Sanjay Sharma, R.A. Ray, Ranjana Jha and V.K. Sharma Proceeding of National Solar Energy Conventional held at Madurai, India, Sept. 13-15, 1986.

2.  Presented Solar Car Advay 3 in Green Energy Challenge in 2010 at New Delhi.

1.  Prsented Solar Car series 5 paper in the  iLUMEN EUROPEAN SOLAR CHALLENGE (iESC) Green technology events at Circuit Zolder,Belgium 21-23 September 2018.