Tata Institute of Fundamental Research
Early life and education
Bijnor in the Indian state of
Uttar Pradesh, Singh completed his schooling at Dev Nagri Inter College,
Meerut in 1951 and passed the intermediate course from
Meerut College of
Agra University in 1953.
 After earning a BSc in physics, chemistry and mathematics in 1955 and an MSc in physics in 1957 from the same institution, he joined
Tata Institute of Fundamental Research as a research assistant the same year. Subsequently, taking a sabbatical from service, he enrolled for doctoral studies at
University of California, Berkeley and worked under the guidance of
Geoffrey Chew, known for his contributions to the fields of
bootstrap model, to secure a PhD in 1962.
 He stayed in the US to complete his post-doctoral work at three institutions,
Lawrence Berkeley National Laboratory (1959–62) as a graduate student,
California Institute of Technology (1962–63) as a research fellow with
Institute for Advanced Study, Princeton (1963–64) as a member.
On his return to India in 1964, he resumed his career at TIFR and served the institution in such various capacities as a professor (1970–81), senior professor (1981–90), and a professor of eminence till his superannuation from service in 2003. During this period, he held the directorship of the institution from 1987 to 1997. Post-retirement, he continued his association with TIFR as a C. V. Raman Research Professor of the
Indian National Science Academy till 2008.
 In between, he had two short stints at
Rockefeller University, first as a visiting associate professor during (1966–67) and then as a visiting professor during (1971–72).
 When the Indian Physics Association and the
Institute of Physics jointly introduced an exchange lecture program in honor of
John Douglas Cockcroft,
Ernest Thomas Sinton Walton and
Homi J. Bhabha in 1998, he was the first to deliver the Homi Bhabha lecture in 2000.
Singh lives in
Andheri west in