HONORS, AWARDS, FELLOWSHIPS AND SCHOLARSHIPS
- Fellow, AAAS (American Association for the Advancement of Science), Elected for making "Pioneering
contributions to planetary structure, mixing, and gas chemistry throughout the solar system".
- 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 Award for "Exceptional Scientific Contributions to the Voyager Project", 1981
- NASA Group Achievement Award for "Outstanding Scientific Contributions with Voyager Ultraviolet Spectrometer"
- at Jupiter and Saturn Systems, 1981
- Uranus System and Interstellar Medium, 1986
- Neptune System and Interstellar Medium, 1990
- NASA Group Achievement Awards for "Outstanding Scientific Contributions with Galileo Probe Mass Spectrometer" and "Outstanding Contributions to the Galileo Project" at Jupiter, 1996
- University of Michigan
- Institute of Science and Technology Fellowship, 1969
- C.E. Groesbeck Merit Scholarship, 1971
- Yale University
- Josiah Willard Gibbs Fellowship, 1966-1967
- Government of India
- National Merit Scholarship, 1963-1965
- Council of Scientific and Industrial Research Fellowship, 1965
- University of Rajasthan
- Vice Chancellor Chatterji Gold Medal, 1965
- Sir Elliot Colvin Silver Medal, 1963
- Merit Scholarship, 1960-1963
- Listed in:
- American Men and Women of Science
- Who's Who in America
- Who's Who in the World