HONORS, AWARDS, FELLOWSHIPS AND SCHOLARSHIPS
- David Bates Medal, European Geosciences Union, for "Exceptional Contributions to Planetary and Solar System Sciences", 2016.
- Alvin Seiff Award, 2018. Presented at the Annual International Planetary Probe Workshop (IPPW2019.uk), Oxford, UK, July 2019.
- Fellow, AAAS (American Association for the Advancement of Science), for "Pioneering contributions to planetary structure, mixing, and gas chemistry throughout the solar system" (Elected 2005).
- Fellow, AGU (American Geophysical Union), elected for “Outstanding and broad contributions to planetary science research and robotic exploration of the solar system” (Elected 2021).
- Fellow, JpGU (Japan Geoscience Union) for "Outstanding contributions to planetary atmospheric research and planetary missions to understand the origin and evolution of planets in our solar system and in extrasolar systems" (Elected 2018).
- Distinguished Faculty Achievement Award, University of Michigan, for "Outstanding contributions as a teacher, scholar and member of the University community", 2007.
- Distinguished Visiting Scientist, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, 2006-Present.
- Excellence in Refereeing for Journal of Geophysical Research-Planets, American Geophysical Union, 1998
- Excellence in Research Award, The University of Michigan College of Engineering, 1995
- Professor of the Year Award by Student Meteorological Society, University of Michigan, 1987
- NASA Mars Science Laboratory Award for "exceptional effort in the outstanding science investigation using the MSL SAM TLS to characterize methane on Mars" together with Christopher Webster (JPL), Paul Mahaffy (GSFC), Charles Malespin (GSFC), John Moores (York U), and Gregory Flesch (JPL), 2018.
- NASA Group Achievement Award for "Exceptional Achievements with MSL SAM Instrument Suite on Mars", 2014
- NASA Group Achievement Awards for "Exceptional Mission Development and Outstanding Contributions to Juno Jupiter Polar Orbiter", 2013
- NASA Group Achievement Awards for "Outstanding Scientific Contributions with Galileo Probe Mass Spectrometer" and "Outstanding Contributions to the Galileo Project" at Jupiter, 1996
- NASA Group Achievement Award for "Outstanding Scientific Contributions with Voyager Ultraviolet Spectrometer"
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- Neptune System and Interstellar Medium, 1990
- Uranus System and Interstellar Medium, 1986
- Jupiter and Saturn Systems, 1981
- NASA Award for "Exceptional Scientific Contributions to the Voyager Project", 1981
- University of Michigan
- C.E. Groesbeck Merit Scholarship, 1971
- Institute of Science and Technology Fellowship, 1969
- Yale University
- Josiah Willard Gibbs Fellowship, 1966-1967
- Government of India
- Council of Scientific and Industrial Research Fellowship, 1965
- National Merit Scholarship, 1963-1965
- University of Rajasthan
- Vice Chancellor Chatterji Gold Medal, 1965
- Sir Elliot Colvin Silver Medal, 1963
- Merit Scholarship, 1960-1963