Chavda, T. V, and Philip, S. K. (2003) “Study of DC compressor based SPV powered refrigerator”, Journal of the Solar Energy Society of India, Vol : 12 (2): 101 – 108.

Philip, S. K. (2003) “Drying through solar energy” IREDA NEWS, Vol. 14, No.2, 53 – 55.

Philip, S. K. and Prem Singh (2003) “Solar Dryer : A guide for potential users and implementers” (Book)

Chakravarti, D, (2003) “Is there a different way to get hot water?” IREDA NEWS, Vol. 14, No. 3, 57.

Philip, S. K. and Chavda T.V, (2003) Technical bulletin on “Agro – industrial application of forced circulation solar dryer”, published by ICAR.

Philip, S. K. and Patil, K. N.(2003) “Development and testing of a solar dryer for wooden planks” Journal of the Solar Energy Society of India, Vol : 13 (1& 2), 45–49.

Singh, R. N., Bhoi, P. R. and Sharma, A. M. (2003), “SPRERI’s experience on gasification of biomass briquettes” Proc. of International Conference on Energy Technology for Sustainable evelopment held, during Oct 8-10, 2003 at Jaipur, 147-150.

Madhuri Narra, Himali Desai & G.P. Nagori. (2003), “Microbial studies on composting of partially digested solid residues of vegetable market waste” Proceedings of International onference on Energy and Environmental Technologies for Sustainable Development in India, Jaipur, October 8-10, 156-160

Singh R N (2004) “Equilibrium moisture content of biomass briquettes”. Biomass and Bioenergy Vol. 26, 251-253.

Pathak B S (2003) Chapter on “Crop Residues to Energy” of the book entitled ‘Agriculture and Environment’ edited by Dr. M. S. Swaminathan.

Pathak B S (2003) “Energy Management in the Rural Sector and the Role of Agricultural Engineers”, Proceedings of the First Convention of CAET Alumni Association, Junagadh.

Pathak B S (2004) “Bio-energy for Rural Development”, Proceedings of Energy Chanllenges of 21st Century : Bio-fuel A Solution., Kalyani Publishers.

Desai Himali and Nagori, G. P. (2004). “Composting of Partially Decomposed Agroresidues”, Journal of Environ. Science & Engg. Vol. 46, No.1, pp. 10-14

Jena, U.; Patel, J.B. and Singh, R.N. (2005). “Down draft gasification of cashew nut shells”. Paper presented in 39th ISAE Convention and Symposium held at ANGRAU, Hyderabad during March 9-11.

Nagori, G. P. (2004). “Biogas Generation from Vegetable Waste”, Proceedings of 9th Annual ISTE Gujarat Section Convention and Symposium on Employing Technologies for Rural Upliftment”, Changa, Gujarat, December 5, 2004.

Patel, J.B.; Jena, U.; Patel, Devika and Patel, V.B. (2005). Recycling of waste water generated during producer gas conditioning. Paper printed in 39th ASAE Convention and Symposium held at ANGRAU, Hyderabad during March 9-11.

Patel, M. R. and Philip, S. K. (2004). “Effect of Soil moisture on performance of Earth Tube Heat Exchanger”, SESI Journal, 14 (2), 19-26.

Pathak B.S. (2004). “Technological Options and Cost for Supplying Electricity to Rural Areas”,Proceedings of the Silver Jubilee Symposium on Governance in Development - Issues, Challenges and Strategies, IRMA, Anand.

Pathak B.S. (2004). “Use of Bio- Diesel in Agricultural Engines”, Proceedings of the Conference on Bio-Diesel for IC Engine - Technologies and Strategies for Rural Application, CIAE, Bhopal.

Pathak B.S. (2004). “Decentralized Power Generation for Rural Development”, Proceedings of the Western Region Workshop on National Rural Electrification Policies, Pune.

Pathak B.S. (2004). “Energy Management in Agriculture”, Proceedings of the Seminar on Sustaining Agriculture : Problems & Prospects, PAU, Ludhiana.

Pathak B.S. (2004). “The Relevance of Biomass Management”, Proceedings of the National Seminar on Biomass Management for Energy Purposes - Issues & Strategies, SPRERI, Vallabh Vidyanagar, pp. 1-9.

Pathak B.S. (2005). “Biomass to Power Rural Development”, Proceedings of the National Seminar on Biomass based Decentralised Power Generation, SPRERI, Vallabh Vidyanagar, pp. 1-6.

Pathak B.S. (2005). “Decentralized Power Generation - An Imperative for Rural evelopment”, 39th ISAE Convention and Symposium on Engineering Technologies for Efficient Water Management in Agriculture, Hyderabad.

Pathak B.S. and Srivastava, N.S.L. (2005). Biomass based Decentalised Power Generation. Proceedings of the National Seminar Published by Sardar Patel renewable Energy Research Institute, Vallabh Vidyanagar.

Pathak B.S. and Srivastava, N.S.L. (2005). Biomass Management for Energy Purposes - Issues and Strategies. Proceedings of the National Seminar Published by Sardar Patel renewable Energy Research Institute, Vallabh Vidyanagar.

Ramana, P. V., Singh, R..N. and Patil, K..N. (2004). “Development and performance evaluation of a producer gas based system for hardening of steels” International Journal of Renewable Energy 30(5) pp: 773 - 782.

Singh, R. N. and Vyas, D. K. (2004). “Effect of de-waxing, de-gumming, filtration and trans-esterification on characteristics of Jatropha oil” 39th Annual Convention & Symposium of ISAE held at Rajendranagar, Hyderabad, March 9-11, 2005 Paper No. E-2005-BF-02, pp 288.

Singh, R. N., Jena, U, Patel, J. B. and Sharma, A. M. (2004). “Feasibility study of cashew nut shells as an open core gasifier feedstock” International Journal of Renewable Energy (Article in press).

Singh, R. N., Singh, S. P. and Pathak, B.S. (2004). “Emission characteristics of a naturally aspirated CI engines with bio fuel and bio fossil fuel mixtures”, International Energy Journal, Vol. 5(2).

Srivastava, N.S.L. (2004). Small Farm Mechanisation - Problems and Prospects. In : Small Farm Mechanisation, Ed. Pratap Singh, A.K. Mehta, Y.C. Bhatt and M.M. Pandey, pp.1-15. Published by Rajasthan chapter of ISAE.

Srivastava, N.S.L. (2005). Improved Agricultural Machinery and Post Harvest Technology for Production of Quality Seeds. In : Mechanisation in Seeds, Spices and Medicinal plants, Ed. Pratap Singh, A.N. Mathur, Y.C. Bhatt, A.K. Mehta and M.M. Pandey, pp.1-20. Published by Himanshu Publications, Udaipur.

Srivastava, N.S.L., Philip, S.K., Nagori, G.P., and Mohana, S. (2005). 25 Years of SPRERI - Research, Development and Technology Transfer, Technical bulletin No SPRERI/2005/01, Sardar Patel Renewable Energy Research Institute, Vallabh Vidyanagar.

Bhoi, P R; Singh, R N; Sharma, A M and Patel, S R (2005) “ Performance evaluation of open core gasifier on multi fuel” Biomass & Bioenergy International Journal Vol. 30(6) pp. 575 – 579.

Joshi, D.C., Sutar, R.F. and Vyas, D.K.(2005). Development of Seed Extracting Machine for Brinjal. Journal of Agricultural Engineering, Vol 42(4):57-59.

Pathak, B.S. (2005), “Status of Renewable Energy use in Agriculture and Scope of Future Substitution of Commercial Energy”, Symposium on Energy Issues in Agriculture, organized by Indian Society of Agricultural Statistics, Jammu.

Pathak B.S. (2005), “Biomass Based Decentralized Power Generation and Development of Agro-Processing Activities in the Rural Sector”, presented at Ministry of Agriculture, GOI, New Delhi.

Pathak B.S. (2005), “Crop Residue based Decentralized Power Generation” and Agro-Processing Residue to Impart Energy Autonomy to Rice and Groundnut Oil Mills”, Presented in Scientific Advisory Council to the Prime Minister at IISc, Bangalore.

Nagori, G.P and Madhuri Narra (2006). “ Comparative Performance of conventional and modified Janata Biogas Plant”. Proceedings of the National Seminar on Energy Conservation and Environmental Management for Sustainable Development of Process Industries, Bilaspur, February 25-26, 2006.

Patel, S. R. and Bhoi, P. R. and Sharma, A. M. (2005) Field testing of SPRERI’s open core gasifier for thermal application” Journal of Biomass and Bioenergy. Vol. 30 (6) pp. 580 – 583.

`Singh, R N, Bhoi, P R, Patel, S R (2006) “Modification of commercial briquetting machine to produce 35 mm dia briquettes suitable for gasification”, Renewable Energy (Article in Press).

Singh R N, Bhoi P R and Sharma A M (2006) “Studies on storage and use of biomass briquettes in combustion and gasification reactor” J of Agril. Engg. (Accepted for publication).

Singh R N; Singh, S P and Pathak, B S (2006) “Investigations on operation of C I engine using producer gas and rice bran oil in mixed fuel mode fuel ” Renewable Energy (Accepted for publication).

. Srivastava, N.S.L. (2006) Chapter on “Farm Power, their availability and Future Requirements to Sustain Agricultural Production”. In: “Status of Farm Mechanisation in India”. Document prepared by IASRI New Delhi as a part of a study Related to Formulating Long term Mechanisation Strategies of Each Agro-Climatic Zone/State, for the Department of Agriculture and Cooperation, Ministry of Agriculture, Govt. of India, pp 57-68.

Vyas, D.K. and Singh, R.N. (2006). Feasibility Study of Jatropha Seed Husk as on Open Core Gasifier Feedstock. Accepted for publication in Renewable Energy.

Pathak, B.S. (2006), “Energy Management for Sustainable Rural Development”, 40th Annual Convention of Indian Society of Agricultural Engineers, Coimbatore.

Pathak, B.S. (2006), “Sustainable Power Generation for Rural Sector”, Brain Storming Session on Energy Management in Agriculture at Almora organized by ICAR.

Madhuri Narra and G.P. Nagori 2007. Performance evaluation of 2 m3 biogas plant based on delignified banana stem. SESI Journal (Article in press).

Madhuri Narra and G.P. Nagori 2007. Biomethanation of vegetable market waste at low moisture content. Biomass & Bioenergy (communicated).

Nagori, G.P., Madhuri Narra and Smruti Pushalkar 2007. Biogas production from household waste at high solid concentration. Proceedings of the ISAE Conference held at Agricultural University, Junagadh on January 29- 31, 2007.

Pathak, B.S. (2006), Chapter on “Crop Residue to Energy”. In: Environment and Agriculture: Edts: K.L.Chadha and M.S.Swaminathan. Malhotra Publishing House, New Delhi, pp 854-869.

Pathak, B.S.; Kapatel, D.V.; Bhoi, P.R.; Sharma, A.M. and Vyas, D.K. (2007), Design and Development of Sand Bed Filter for Upgrading Producer Gas to IC Engine Quality Fuel. International Energy Journal, Vol. 8:15-19.

Pathak, B.S. (2006). Long Term Strategies and Programmes for Mechanization of Agriculture in Agro Climatic Zone-XIII : Gujarat Plains and Hill Region. In: Final Report of the Study Relating to Formulating Long-term Mechanisaztion Strategy for each Agro-Climatic Zone/State in India, prepared by the Indian Agricultural Statistics Research Institute, New Delhi for the Department of Agriculture and Cooperation, Ministry of Agriculture, Govt. of India, pp 239-248.

Pathak, B.S. (2006). Long Term 7. Strategies and Programmes for Mechanization of Agriculture in Agro Climatic Zone-XIV : Western dry region. In: Final Report of the Study Relating to Formulating Long-term Mechanisaztion Strategy for each Agro-Climatic Zone/State in India, prepared by the Indian Agricultural Statistics Research Institute, New Delhi for the Department of Agriculture and Cooperation, Ministry of Agriculture, Govt. of India, pp 249-254.

Singh, R.C. and Srivastava, 8. N.S.L.(2006). Development and Performance Evaluation of a Conveyor belt type Animal Treadmill. Journal of Agricultural Engineering, 43(3): 93-96.

Singh, R N, Bhoi, P R, Patel, S R 9. (2007). Modification of commercial briquetting machine to produce 35 mm diameter briquettes suitable for gasification. Renewable Energy, Vol.32: 474-479.

. Singh, R. N.; Sharma, A. M.; 10. Jena, U.; Bhave, A.G. and Vyas, D.K.(2006).Case Study of Open core Downdraft Gasifier System for Cooking Applications. Agricultural Engineering Today, Vol. 30(3):26-32.

Singh, R N, Jena, U, Patel, J. 11. B. and Sharma, A. M. (2006) Feasibility study of cashew nut shells as an open core gasifier feedstock. International Journal of Renewable Energy Vol. 31(4): 481-487.

Singh, R N, Sharma, A. M. and Bhoi, 12. P.R. (2006). Studies on Storage and Use of Biomass Briquettes in Combustion and Gasification Reactor. Journal of Agricultural Engineering, 43(1):61-65.

Singh R N; Singh, S P and 13. Pathak, B S (2007) Performance of Renewable Fuel Based CI Engine”. Manuscript EE 06 014. Vol. IX. April 2007.

Singh R N; Singh, S P and Pathak, 14. B S (2007). Performance of CI engine as a result of progressive replacement of blended plant oil by producer gas. J of Agril. Engg (Accepted for publication).

Singh R N; Singh, S P and Pathak, B S (2007) “Extent of replacement of methyl ester of rice bran oil by producer gas in CI”. International Journal of Energy Research (Article in Press).

Singh R N; Vyas, D K; Srivastava N S L and Narra Madhuri (2007) “Holistic approach to utilize all parts of Jatropha curcas fruit for energy”. ‘Proc. International Conference on Sustainable Agriculture for Food , Bio-energy and Livelihood Security’, held at JNKV, Jabalpur during February 14-16.

Srivastava, N.S.L.(2006). Chapter on “Automation and Mechanisation in Agriculture and Environment”.In: Environment and Agriculture: Edts: K.L.Chadha and M.S.Swaminathan. Malhotra Publishing House, New Delhi, pp 351-360.

Srivastava, N.S.L.(2006). Long Term Strategies and Programmes for Mechanization of Agriculture in Agro Climatic Zone-IV : Middle Gangetic Plains Region. In: Final Report of the Study Relating to Formulating Long-term Mechanisaztion Strategy for each Agro-Climatic Zone/State in India, prepared by the Indian Agricultural Statistics Research Institute, New Delhi for the Department of Agriculture and Cooperation, Ministry of Agriculture, Govt. of India, pp 106-117.

Srivastava, N.S.L.(2006). Long 19. Term Strategies and Programmes for Mechanization of Agriculture in Agro Climatic Zone-V : Upper Gangetic Plains Region. In: Final Report of the Study Relating to Formulating Long-term Mechanisaztion Strategy for each Agro-Climatic Zone/State in India, prepared by the Indian Agricultural Statistics Research Institute, New Delhi for the Department of Agriculture and Cooperation, Ministry of Agriculture, Govt. of India, pp 118-129.

Srivastava, N.S.L.and Vyas, 20. D.K.(2007). Biomass Briquetting in India for Feed, Fodder and Energy. Proc. 3rd International Conference on Solar Radiation and Day lighting (SOLARIS 2007), IIT Delhi, Feb- 7-9, pp 575-582.

Vyas, D.K. and Singh, R.N. (2006). Feasibility Study of Jatropha Seed Husk as an Open Core Gasifier Feedstock. Renewable Energy, Vol.32:512-517.

Singh R.N., Singh S.P. and Pathak B.S. (2007). “Performance of Renewable fuel based CI engine”, Agricultural Engineering International: the CIGR E-journal Manuscript EE 06 014, Vol. IX, April 2007.

Agravat S.M. and Chavda T.V. (2007) . “Building- integrated concrete- collector- based solar water heaters: Status and Prospects” Akshay Urja, Ministry of New and Renewable Energy, Government of India, New Delhi, Vol.1 (1), p. 22-23.

Desai H.S., Madhuri Narra and Nagori G.P. (2007). “Comparative performance of farmyard manure and compost produced from partially decomposed residues”, Abstract in Proceedings of International symposium on organic farming and renewable sources of energy for sustainable agriculture, Udaipur, 19-21 November, p. 140-41.

Madhuri Narra, Nagori G.P and Pushalkar Smruti (2007). “Alternative anaerobic route for energy production from jatropha oilcake”, Abstract in Proceedings of International symposium on organic farming and renewable sources of energy for sustainable agriculture, Udaipur, 19-21 November, p. 163.

Khandelwal K.C., Kumar Naveen and Pathak B. S. (2007). “Innovative approaches for developing and promoting biomass and solar energy technologies to benefit rural poor”. Abstract published in the 4th International Conference on Environmental Education held at Centre for Environment Education, Ahmedabad on 24-28 November 2007.

Kumar Naveen (2007). “Optimization of the shape and size of different components of the solar lighting system”, published in Proceedings of International Conference on Advances in Energy Research”, IIT Bombay, 12-14 December.

Singh R.N., Singh S.P. and Pathak, B.S. (2007). “Extent of replacement of methyl ester of rice bran oil by producer gas in CI engine”, International Journal of Energy Research Vol. 31,p. 1545 –1555.

Singh R.N., Singh S.P. and Pathak B.S. (2007). “Investigations on operation of CI engine using producer gas and rice bran oil in mixed fuel mode fuel ” Renewable Energy, Vol. 32 (9),p. 1565 -1580.

Singh R.N., Singh S.P. and Pathak B.S. (2007). “Investigation on quality of exhaust gases as a result of partial and full replacement of blended methyl ester of Jatropha oil by producer gas” SESI Journal Vol.17 (1 & 2) p. 1-11.

Singh R.N., Singh, S.P. and Pathak B.S. (2007). “Performance of CI engine as a result of progressive replacement of blended plant oil by producer gas” Journal of Agril. Engg. Vol. 44 (2), p. 20-27.

Singh R.N., Sharma A.M., Jena U., Bhave A.G. and Vyas D.K. (2007). “Gasifier system for cooking” Renewable Energy Akshay Urja, Published by MNRE, New Delhi Vol. (1), p. 19-20.

Srivastava, N.S.L. and Vyas D.K.(2008). “Efficient management of crop and agro-processing residues for animal feed and energy through briquetting”. Proceedings of 42nd ISAE Annual Convention and Symposium, CIAE Bhopal, 1-3 February, p. 12-24.

Vyas D.K. and Srivastava N.S.L. (2008). “Studies on the combustion behavior of crop residue briquettes for their suitability as domestic and industrial fuel for thermal applications”. Paper presented in 42nd Convention of ISAE held at CIAE Bhopal during 1-3 February.

Chavda, T.V., Agravat S.M. and Philip S.K. (2008). “Drying of tomato using a solar dryer incorporated with a LPG back up” ISAE 42nd Annual convection held at CIAE, Bhopal, 1-3 February.

Pushalkar Smruti and Madhuri Narra (2008). “Production of cellulolytic enzymes by Aspergillus terreus gr.” Abstract in Proceedings of International Workshop on Bioprocess Engineering, SRM University, Kattankulathur, Tamil Nadu, India, 7-9 February, p. 19-20. (Full length paper being published in Proceedings, in press).

Kumar Naveen, Agravat S.M., Chavda T.V. and Mistry H.N. (2008). “Design and development of efficient multipurpose domestic solar cooker/dryer,” International Journal of Renewable Energy, Vol.33, No. 10, p. 2207-2211.

Bhave A.G., Vyas D.K. and Patel, J.B. (2008). “A wet packed bed scrubber-based producer gas cooling-cleaning system”. Renewable Energy, Vol. 33, p. 1716-1720.

Singh R.N., Vyas D.K., Srivastava N.S.L. and Narra Madhuri (2008). “SPRERI experience on holistic approach to utilize all parts of Jatropha curcas fruit for energy” Renewable Energy (Article available online).

Srivastava N.S.L. and Singh R.N. (2008). “Design, development and evaluation of 300 L per batch capacity pilot plant for dewaxing and degumming of jatropha oil”. Journal of Agricultural Engineering (Communicated).

Vyas D.K. and Srivastava N.S.L. (2008). “Equilibrium moisture content of different biomass feedstocks and their briquettes”. Journal of Solar Energy, (Communicated)