- Scientific Advisory Group (SAG) Member, of World Meteorological Organization's (UN) GAW -Urban Research Meteorology & Environment Program, 2010-2019.
- Scientific Steering Group (SSG) Member of SPARC (Stratospheric Processes And their Role in Climate), World Climate Research Program, WMO, Geneva, 2016-2021.
- Scientific Steering Committee (SSC) Member of International Global Atmospheric Chemistry (IGAC) program of IGBP: 2008-2012.
- Chairman of the Joint Working Group of IAGA (International Association of Geomagnetism and Aeronomy), ICMA and CAWSES on Atmospheric Trends (July 2011-2019)
- Member of the Scientific Advisory Committee of ICMR-NIREH (National Institute of Research in Environmental Health, Bhopal) (2019-Onwards)
- Member of the Scientific Advisory Committee of ICMR-NIOH (National Institute of Occupational Health, Ahmedabad) (2019-Onwards).
- MEMBER, Program Advisory Committee on Earth and Atmospheric Sciences (PAC-E&AS Program) of SERB (Science and Engineering Research Board), DST, India.
- Member of the Advisory/Selection Committee for the Shanti Swarup Bhatnagar (SSB) Prize in Earth, Atmosphere, Ocean Planetary Science, CSIR, New Delhi.
- Member of "Earth Environmental Sciences Research Committee", CSIR, India, 2011-2015.
- Editorial Board Member of an international journal "Aerosol and Air Quality Research (AAQR)", Publisher- AAGR Aerosol and Air Quality Research, Taiwan, since 2018-Onwards.
- Editor, of an international journal, "Journal of Atmospheric and Solar-Terrestrial Physics (JASTP)", Elsevier Publication Co., United Kingdom since 2007.
- Editor of the Indian Journal of Radio and Space Physics, CSIR, India, since 2015.
- Member Expert Review Committee of German Ministry for education & science on the research program, German Aerospace Agency, Germany, 2011-2014.
- Adjunct Professor" Dept. of Atmospheric & Space Sci., University of Pune, Pune.
- Guest Editor of Journal of Geophysical Research (JGR), AGU, Washington, DC, 2010-2011.
- Member Advisory Group for Global Change Issues (GCI) under Technology Vision 2035 for India, Department of Science and Technology, Govt. of India, 2011-2012.
- Project Leader of task group of CAWSES-I of SCOSTEP (Scientific Committee on Solar-Terrestrial Physics), 2011-2014.
- Chairman of the MTTA (Mesospheric temperature Trend Assessment) panel of the WG of the International Association of Geomagnetism and Aeronomy (IAGA) and ICMA.
- Vice-Chairman , of the Working Group of IAGA (International Association of Geomagnetism and Aeronomy) and ICMA on Trends (2003-2010).
- Scientific Committee Member of the Working Group of CAWSES-I of SCOSTEP, Canada.
- Young Scientist Committee Member of IAGA, International Union of Geodesy and Geophysics (IUGG) for "IAGA-2020 vision" document (2003-2007).
- Guest Editor, Journal of Atmospheric and Solar-Terrestrial Physics (JASTP) (UK)-2008.
- Guest Editor, Journal of Atmospheric and Solar-Terrestrial Physics (JASTP) (UK)-2006.
- Guest Editor, Journal of Physics and Chemistry of the Earth (JPCE) (Europe)-2005.
- Scientific committee members in several international conference committees.
- Active Member of The New York Academy of Sciences, NY, USA.
- Life member of the India Meteorology Society (IMS) -Since 1998.
- Associate of Committee for Space Research, Paris (France).
- Associate /Member of Aerosol Society of India.
- Member of American Geophysical Union (AGU), Washington, DC, USA -Since 2000.
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- Maharana Udai Singh National Award by the Mewar Foundation, Rajasthan for the contribution in the field of environmental protection. (2007)
- Young Scientist Award: Conferred by MAAS, India (2000).
- "Certificate of Recognition" for Scientific Assessment Panel by the United Nations Environmental Program (UNEP), Ozone Secretariat, Geneva. (2013)
- Clean up The World award " by the Clean up the word Program and United Nations Environment Program, U.S.A. (1994).
- Best Paper Award, in NSSS by, ISRO, Bangalore. (1989)
- Gold Medal in the M.Sc. (Physics) degree by M.L. Sukhadia University, Udaipur (1983)
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