Birbal Sahni was an Indian paleobotanist who studied the fossils of the Indian subcontinent.
Shanti Swaroop Bhatnagar was an Indian colloid chemist, academic and scientific administrator.
Prafulla Chandra Ray was an Indian chemist, educationist, historian, industrialist and philanthropist.
Prasanta Chandra Mahalanobis was an Indian Bengali scientist and applied statistician.
Satyendra Nath Bose was an Indian physicist specializing in theoretical physics.
Subrahmanyan Chandrasekhar was an Indian American astrophysicist who spent his professional life in the United States.
Meghnad Saha was an Indian astrophysicist best known for his development of the Saha ionization equation, used to describe chemical and physical conditions in stars.
Srinivasa Ramanujan was an Indian mathematician who lived during the British Rule in India.
Vikram Sarabhai was an Indian scientist and innovator widely regarded as the father of India's space programme.
Dr Homi Jehangir Bhabha was an Indian nuclear physicist, founding director, and professor of physics at the Tata Institute of Fundamental Research (TIFR).
Avul Pakir Jainulabdeen Abdul Kalam or A.P.J. Abdul Kalam was an aerospace scientist who served as the 11th President of India from 2002 to 2007.
C. V. Raman was an Indian physicist born in the former Madras Province in India.