Varun Bhisham Sahni (born 29 March 1956) is an Indian theoretical physicist, astrophysicist and a Distinguished Professor at the Inter-University Centre for Astronomy and Astrophysics.
[1] Known for his research on cosmology,[2] Sahni is an elected fellow of all the three major Indian science academies viz.
[6][note 1] Sahni is reported to have studied the universe, more specifically its large-scale structure, the early inflationary phase and cosmological constant.
[11] He has delivered plenary addresses at many conferences and seminars; "Cosmology after the BOOMERANG experiment" delivered at the Astronomy Seminars 2000 of the Tata Institute of Fundamental Research[12] and Frontiers of Cosmology and Gravitation (ICGC 2011) of the International Centre for Theoretical Sciences were two of them.
[13] The School of Applied Mathematical and Physical Sciences of the National Technical University of Athens has listed one of his talks on Dark matter and dark energy, delivered in March 2004, as the best cited among Aegean School talks.