CSIR-NCL (1984-2003), CSIR-NEERI (2003-8) & other CSIR Labs
1989 Indo-British Workshop Prof. FAHolland, Sir David Goodall (British High Commissioner), R. Arboth
HP Workshop - With Padmabhushan R A Mashelkar, Mr. N. Kalyani, Prof. F.A. Holland, 2019
HP Workshop International Faculty NCL, 2019
@ CSIR- HOD, Process Development Division, NCL, Pune
@ CSIR- HOD, Process Development Division, NCL, Pune
@ CSIR- HOD, Process Development Division, NCL, Pune
Gallery of Directors @ CSIR-NEERI, Nagpur
Independence Day @ NEERI, 2004
Independence Day @ NEERI, 2005
CSIR Directors' Conference, NAL, Bangalore, 2004
@ Mercury Workshop, NEERI Workshop 2019
@POPs Workshop NIIST, Trivandram, 2023
With Prof. R.N. Singh, Former Director, NEERI, 2023
With Prof. R.N. Singh, Former Director, NEERI, 2023
With Prof. R.N. Singh, Former Director, NEERI, 2023
With Prof. R.N. Singh, Former Director, NEERI, 2023
@ TNPCB-NEERI Workshop, Chennai, 2023
With Prof. R.N. Singh, Former Director, NEERI, 2023
With Prof. R.N. Singh, Former Director, NEERI, 2023
Miscellaneous
With NEERI Scientists @ J&K Valley for EIA NEERI 2007
With Prof. Venkat Venkatasubramanian (Columbia) and Prof. R. Velraj, Former VC, Anna University, Che
With Prof. Venkat Venkatasubramanian (Columbia) and Prof. R. Velraj, Former VC, Anna University, Che
With Prof. Venkat Venkatasubramanian (Columbia) and Prof. R. Velraj, Former VC, Anna University, Che
With former & Current NEERI Directors, Prof. R.N. Singh, Prof. A.N. Vaidya and Dr. Venkata Mohan
NEERI EIA Training for Environmental Scientists, Manila, Phillippines
With Chandrabhushan, CEO, iForest and Mr. Sangeet Kapoor @ Nairobi, Kenya, 2025
With Chandrabhushan, CEO, iForest and Mr. Sangeet Kapoor @ Nairobi, Kenya, 2025
With Chandrabhushan, CEO, iForest and Mr. Sangeet Kapoor @ Nairobi, Kenya, 2025
With Chandrabhushan, CEO, iForest and Mr. Sangeet Kapoor @ Nairobi, Kenya, 2025
UNEP RTOC & TEAP, IPCC, World Bank and WHO
With UNEP RTOC @ NIST, USA 2012
UNEP Ozone Meet, Phnom Penh, Cambodia, 2012
UNEP Ozone Meet Pokharo, Nepal, 2011
UNEP Ozone Meet Pokharo, Nepal, 2011
UNEP Ozone Meet, Phnom Penh, Cambodia, 2012
UNEP Ozone Meet Pokharo, Nepal, 2011
UNEP Ozone Meet, Phnom Penh, Cambodia, 2012
UNEP Ozone Meet, Phnom Penh, Cambodia, 2012
UNEP Ozone Meet, Phnom Penh, Cambodia, 2012
UNEP Ozone Meeting, Bhutan 2012
UNEP Ozone Meet, Phnom Penh, Cambodia, 2012
UNEP RTOC Members, 2013
UNEP RTOC, Amman, Jordan, 2017
UNEP RTOC Members, Brugess, Belgium, 2018
UNEP RTOC Members, Brugess, Belgium, 2018
UNEP RTOC Members, Brugess, Belgium, 2018
UNEP RTOC, Gurgaon, India 2018
UNEP RTOC Members, Brugess, Belgium, 2018
UNEP RTOC Members, Brugess, Belgium, 2018
UNEP RTOC Members, Paris, 2023
UNEP RTOC Members, Brugess, Belgium, 2018
UNEP RTOC Members, Paris, 2023
UNEP RTOC Meeting, 2024
UNEP RTOC Members, Paris, 2023
UNEP RTOC Members, 2025
UNEP RTOC Members, 2025
In the UN Conference Centre 2021
With Megumi (Meg) Suki, Executive Secretary, UNEP Ozone Secretariat, Nairobi, Kenya
With Megumi (Meg) Suki, Executive Secretary, UNEP Ozone Secretariat, Nairobi, Kenya
With Megumi (Meg) Suki, Executive Secretary, UNEP Ozone Secretariat, Nairobi, Kenya
With Megumi (Meg) Suki, Executive Secretary, UNEP Ozone Secretariat, Nairobi, Kenya
With Megumi (Meg) Suki, Executive Secretary, UNEP Ozone Secretariat, Nairobi, Kenya
Ozone Officers UNEP Meeting, Nepal
With Megumi (Meg) Suki, Executive Secretary, UNEP Ozone Secretariat, Nairobi, Kenya
Ozone Officers UNEP Meeting, Nepal
In a UNEP RTOC Meeting
World Bank OORG Meeting, Beijing, 2010
Ozone Officers UNEP Meeting, Nepal
World Bank OORG Meeting, Beijing, 2010
World Bank OORG Meeting, Beijing, 2010
World Bank OORG Meeting, Beijing, 2010
World Bank New OORG Group
World Bank OORG Meeting, Beijing, 2010
World Bank OORG Meeting, Beijing, 2010
With Ecofrig Team, in Europe
@ Karlsruhe Inst of Technology, Germany, 2024
@ Karlsruhe Inst of Technology, Germany, 2024
@ Karlsruhe Inst of Technology, Germany, 2024
@ Karlsruhe Inst of Technology, Germany, 2024
@ Karlsruhe Inst of Technology, Germany, 2024
@ UN Centre, Nairobi, Kenya, 2025
@ Karlsruhe Inst of Technology, Germany, 2024
With a few delegates @ IIR Congress, China 2002
With a few delegates @ IIR Congress, China 2002
NEERI EIA Training of Environment Experts @ Boracay, Philippines 2006
With a few delegates @ IIR Congress, China 2002
With Prof. Ichikawa, Hokkaido University, Japan 2004
NEERI EIA Training of Environment Experts @ Boracay, Philippines 2006
NEERI EIA Training of Environment Experts @ Boracay, Philippines 2006
NEERI EIA Training of Environment Experts @ Boracay, Philippines 2006
NEERI EIA Training of Environment Experts @ Boracay, Philippines 2006
NEERI EIA Training of Environment Experts @ Boracay, Philippines 2006
International Events & Experts
With Dr. Marco Gonzalez. Executive Secretary, UNEP Secretariat, Nairobi
With Dr. S.O. Anderson, Former Director, EPA, Mr. Atul Bagai IAS, Former Head, UNEP, New Delhi and D
With Dr. S.O. Anderson, Former Director, EPA, Mr. Atul Bagai IAS, Former Head, UNEP, New Delhi and D
With Dr. S.O. Anderson, Former Director, EPA, Mr. Atul Bagai IAS, Former Head, UNEP, New Delhi and D
With Dr. S.O. Anderson, Former Director, EPA, Mr. Atul Bagai IAS, Former Head, UNEP, New Delhi and D
With Dr. S.O. Anderson, Former Director, EPA, Mr. Atul Bagai IAS, Former Head, UNEP, New Delhi and D
With Chinese Delegation, Hangzhou, China 2016
With Dr. S.O. Anderson, Former Director, EPA, Mr. Atul Bagai IAS, Former Head, UNEP, New Delhi and D
With Chinese Delegation, Hangzhou, China 2016
With IEC 60335-2-40 Team in Denmark, 2016
With Prof. S. Srinivasa Murthy, IISc, Bangalore and Prof. Alberto Coronas, Spain, 2023
With Chinese Delegation, Hangzhou, China 2016
With Prof. S. Srinivasa Murthy, IISc, Bangalore and Prof. Alberto Coronas, Spain, 2023
With Prof. S. Srinivasa Murthy, IISc, Bangalore and Prof. Alberto Coronas, Spain, 2023
With Prof. S. Srinivasa Murthy, IISc, Bangalore and Prof. Alberto Coronas, Spain, 2023
With Dr. Raj Shende, Former Director, OzonAction, UNEP Paris
With Prof. S. Srinivasa Murthy, IISc, Bangalore and Prof. Alberto Coronas, Spain, 2023
With Prof. S. Srinivasa Murthy, IISc, Bangalore and Prof. Alberto Coronas, Spain, 2023
With Prof. Venkat Venkatasubramanian (My prestigious student at AC Tech), Samuel Ruben-Peter G. Viel
With Prof. Graeme Maidment, LSB University, UK & Prof. Felix Ziegler, TU Berlin & Chief Editor, IJR
With Prof. A. Ramaiah (Ravi) Ravishankara, Colorado State University, USA
With Prof. Poitr Domanski, NIST & Dr. Samuel Yana Motta, Director, Orbia Advance Corporation’s Fluor
With Prof. Poitr Domanski, NIST & Dr. Samuel Yana Motta, Director, Orbia Advance Corporation’s Fluor
With Prof. Poitr Domanski, NIST & Dr. Samuel Yana Motta, Director, Orbia Advance Corporation’s Fluor
With Dr. S.R. Wate and Officials of Dubai Municipality for EIA
With former collaborators Dr. Alan Heaton and Late Dr. Steve Hodget, Electricity Council Research Ce
With former collaborators Dr. Alan Heaton and Late Dr. Steve Hodget, Electricity Council Research Ce
With former collaborators Dr. Alan Heaton and Late Dr. Steve Hodget, Electricity Council Research Ce
International Events & Experts 2
@ NIMS, Tsukuba, Japan with my colleague Dr. N. Labhsetwar and Dr. Rajesh Biniwale
@ NIMS, Tsukuba, Japan with my colleague Dr. N. Labhsetwar and Dr. Rajesh Biniwale
@ NIMS, Tsukuba, Japan with my colleague Dr. N. Labhsetwar and Dr. Rajesh Biniwale
With Prof. Sato & his Students @ Kiyo University 2000
@ NIMS, Tsukuba, Japan with my colleague Dr. N. Labhsetwar and Dr. Rajesh Biniwale
@ NIMS, Tsukuba, Japan with my colleague Dr. N. Labhsetwar and Dr. Rajesh Biniwale
With Global Cooling Prize Committee in New York, 2019
@ NIMS, Tsukuba, Japan with my colleague Dr. N. Labhsetwar and Dr. Rajesh Biniwale
With Prof. Alberto Coronas, Universitat Rovira i Virgili, Tarragona, Spain
With IEC Safety Committee Expert Meeting, on Flammable Refrigerants, China 2021
With IEC Safety Committee Expert Meeting, on Flammable Refrigerants, China 2021
With Speakers & Delegates - UN Side Even, Nairobi, Kenya, 2025
With IEC Safety Committee Expert Meeting, on Flammable Refrigerants, China 2021
With Prof. Bala Subramaniam, Dan F. Servey Distinguished Professor, Kansas University, USA
With Prof. Bala Subramaniam, Dan F. Servey Distinguished Professor, Kansas University, USA
With Prof. Bala Subramaniam, Dan F. Servey Distinguished Professor, Kansas University, USA
Indian S&T Connections
With my Mentors, Colleagues and Students at AC College of Technology, Chennai
Prof R.A.Mashelkar, Former DG-CSIR, Prof.T. Ramasamy, Former Sec, DST, Prof. M.S. Ananth, Former Dir
With Late Prof. N.K. Sane and our past research Students, Pune 2010
@ JNCASR, Bengaluru with DST Team and Dr. Paul Ratnaswamy, Former Director, NCL, Pune
@ JNCASR, Bengaluru with DST Team and Dr. Paul Ratnaswamy, Former Director, NCL, Pune
With Dr. C. Anantharamakrishnan, Director, NIIST, Trivandrum and Dr. B. Chandrasekhar, Former Direct
@ JNCASR, Bengaluru with DST Team and Dr. Paul Ratnaswamy, Former Director, NCL, Pune
Climate Change & CCUS @ NEERI, Nagpur
With Dr. C. Anantharamakrishnan, Director, NIIST, Trivandrum and Dr. B. Chandrasekhar, Former Direct
With Dr. C. Anantharamakrishnan, Director, NIIST, Trivandrum and Dr. B. Chandrasekhar, Former Direct
With Dr. C. Anantharamakrishnan, Director, NIIST, Trivandrum and Dr. B. Chandrasekhar, Former Direct
With Dr. C. Anantharamakrishnan, Director, NIIST, Trivandrum and Dr. B. Chandrasekhar, Former Direct
With Dr. C. Anantharamakrishnan, Director, NIIST, Trivandrum and Dr. B. Chandrasekhar, Former Direct
With DST Team @ Prof. Vikram Vishal, CCUS COE IIT, Bombay
With Dr. A.N. Vaidya, VC, LITU, Nagpur, Prof. G.D. Yadav, Former VC, UICT, Mumbai, Prof. Former VC,
With Dr. S. Chandramohan, MD, Indomer Hydraulics, and his EIA team, 2013
With Dr. S. Chandramohan, MD, Indomer Hydraulics, and his EIA team, 2013
With Dr. A.N. Vaidya, VC, LITU, Nagpur, Prof. G.D. Yadav, Former VC, UICT, Mumbai, Prof. Former VC,
With Dr. S. Chandramohan, MD, Indomer Hydraulics, and his EIA team, 2013
With Dr. A.N. Vaidya, VC, LITU, Nagpur, Prof. G.D. Yadav, Former VC, UICT, Mumbai, Prof. Former VC,
With Dr. A.N. Vaidya, VC, LITU, Nagpur, Prof. G.D. Yadav, Former VC, UICT, Mumbai, Prof. Former VC,
With Dr. A.N. Vaidya, VC, LITU, Nagpur, Prof. G.D. Yadav, Former VC, UICT, Mumbai, Prof. Former VC,
With Indian Authors @ IPCC, Moscow
With Indian experts in EU, Brussels
With Dr. A.N. Vaidya, VC, LITU, Nagpur, Prof. G.D. Yadav, Former VC, UICT, Mumbai, Prof. Former VC,
@ ASHRAE, Pune Chapter
With Indian experts in EU, Brussels
With Indian experts in EU, Brussels
With Indian experts in EU, Brussels
With Indian experts in EU, Brussels
With Indian experts in EU, Brussels
Indian S&T Connections 2
Felicitation by the Former Governor Mr. R.N. Ravi and CM of Tamil Nadu Mr. M.K. Stalin
Felicitation by the Former Governor Mr. R.N. Ravi and CM of Tamil Nadu Mr. M.K. Stalin
@ Mercury Workshop, NEERI Workshop 2019
Felicitation by the Former Governor Mr. R.N. Ravi and CM of Tamil Nadu Mr. M.K. Stalin
@ NEERI & GPCB Workshop 2023
@ NEERI workshop on Environment Challenges, Chennai, 2025
@ NEERI workshop on Environment Challenges, Chennai, 2025
@ NEERI workshop on Environment Challenges, Chennai, 2025
@ TNPCB NEERI Workshop - International Conventions on Chemicals, 2023
@ TNPCB NEERI Workshop - International Conventions on Chemicals, 2023
With Sec, DST, Experts and Participants - Methane Emission Workshop
@ TNPCB NEERI Workshop - International Conventions on Chemicals, 2023
Indian Connections
Birth Centenary Celebration of my Mentor Prof. K. Chandrasekharan
Birth Centenary Celebration of my Mentor Prof. K. Chandrasekharan
Birth Centenary Celebration of my Mentor Prof. K. Chandrasekharan
With Late Rev. Bishop Tony Devotta
Birth Centenary Celebration of my Mentor Prof. K. Chandrasekharan
Birth Centenary Celebration of my Mentor Prof. K. Chandrasekharan
With Artist Jayaraj, 2016
Birth Centenary Celebration of my Mentor Prof. K. Chandrasekharan
With my batchmates from St. Paul's High Scholl, Vepery, Madras
With my batchmates from St. Paul's High Scholl, Vepery, Madras
With my batchmates from St. Paul's High Scholl, Vepery, Madras
With my BTech batchmates from ACTech - K. Suryanarayanan, Dr. P. Srinivasan (Milan) and Late T.S. Sr
With a few of my BTech 1971 batchmates from ACTech, Madras
With a few of my BTech 1971 batchmates from ACTech, Madras
With a few of my BTech 1971 batchmates from ACTech, Madras
With a few of my BTech 1971 batchmates from ACTech, Madras
With my former colleagues and Research Students in AZCTech
With a few of my BTech 1971 batchmates from ACTech, Madras
With a few of my BTech 1971 batchmates from ACTech, Madras