Bachelor of Science, Lucknow University, 1957. Master of Science in Physics, Lucknow University, 1959. Master of Science in Mathematics, Lucknow University, 1961.
Doctor of Philosophy in Astronomy, Agra University, India, 1970.
Physics lecturer, Mahila College, Lucknow, 1961-1962; research fellow, U.P. State Observatory, Nainital, India, 1962-1963; assistant astronomer, U.P. State Observatory, Nainital, India, 1963-1970; lecturer astronomy, Lucknow U., 1970-1984; reader, Lucknow U., 1984-1996; professor astronomy, Lucknow U., since 1996. Associate Inter-University Center for Astronomy and Astrophysics, Pune, 1991-1994.
Member New York Academy of Sciences, International Astronomical Union, Astronomical Society India, Bhartiya Ganit Parisad (councillor 1994-1996), Astronomical Club (director 1985-1990).
Married Usha Alwalia, May 22, 1964. 2 children.