Narendra Karmarkar: Known for his Karmarkar’s algorithm.
Satyendra Nath Bose
: He was an Indian mathematician specialising in theoretical physics.
Shakuntala Devi: She was a famous mental calculator and writer.
P.C. Mahalanobis: Known for his Mahalanobis distance Feldman- Mahalanobis model.
Brahmagupta: Known for his Modern number system, Brahmagupta's theorem, Brahmagupta's identity.
Aryabhatta: He was the first of the major mathematician from the classical age of Indian mathematics.
Bhaskaracharya: Known for Frequency partition, Line graphs, and Degree sequences.
Srinivasa Ramanujan: He is known for Landau-Ramanujan constant; Mock theta functions; Ramanujan conjecture; and Ramanujan prime.
D R Kaprekar: A self-taught Indian mathematician who worked in in number theory.