Bachelor of Engineering in civil engineering, University Baroda, India, 1956. Master of Science, University Iowa, 1959. Doctor of Philosophy, University Michigan, 1963.
Research scientist, Hydronautics, Inc., Laurel, Maryland., 1963-1968; assistant professor, Virginia Polytechnic Institute & State University, Blacksburg, 1968-1975; associate professor, Virginia Polytechnic Institute & State University, Blacksburg, 1975-1981; visiting professor, Water & Energy Reserve Institute University Guam, 1980-1981; professor, U. Arizona, Tucson, since 1981. Consultant United Nations Development Program, Baroda, 1984.
Member American Society of Civil Engineers, American Society of Mechanical Engineers, American Geophysical Union, American Water Resources Association, Junior Chamber of Commerce.
Married Hutoxy R. Hirjibehdin, September 18, 1958. Children: Rashna, Shernaz, Yasmin, Yazdi, Arnavaz.