Brahmagupta was an Indian mathematician and astronomer who lived in the 6th century CE. He is known for his contributions to number theory, including the discovery of the Pythagorean theorem, as well as his work on algebra and astronomy.

Aryabhata was an Indian mathematician and astronomer who lived in the 5th century CE. He is known for his work on the Fibonacci sequence and the development of the decimal system, as well as his contributions to trigonometry and astronomy.

Bhaskara II was an Indian mathematician and astronomer who lived in the 12th century CE. He is known for his work on calculus, including the development of the concept of the derivative, as well as his contributions to number theory, algebra, and astronomy.

Srinivasa Ramanujan was an Indian mathematician who lived in the early 20th century. He is known for his work on number theory, including the discovery of the Hardy-Ramanujan theorem, as well as his contributions to analysis, combinatorics, and mathematical physics.

C. P. Ramanujam was an Indian mathematician who lived in the 20th century. He is known for his work on algebraic geometry and the development of the theory of schemes, as well as his contributions to number theory and analysis.

S. S. Chern was an Indian-American mathematician who lived in the 20th century. He is known for his work on differential geometry and the development of the theory of connections, as well as his contributions to topology and algebraic geometry.

K. S. Chandrasekharan was an Indian mathematician who lived in the 20th century. He is known for his work on algebraic topology and the development of the theory of homology, as well as his contributions to number theory and analysis.

R. P. Bambah was an Indian mathematician who lived in the 20th century. He is known for his work on number theory and the development of the theory of modular forms, as well as his contributions to analysis and algebraic geometry.

S. Ramanan is an Indian mathematician who is known for his work on algebraic geometry and the development of the theory of birational geometry, as well as his contributions to number theory and analysis.

M. S. Raghunathan is an Indian mathematician who is known for his work on differential geometry and the development of the theory of Riemannian manifolds, as well as his contributions to algebraic geometry and analysis.

R. Balasubramanian is an Indian mathematician who is known for his work on number theory and the development of the theory of automorphic forms, as well as his contributions to algebraic geometry and analysis.

V. K. Patodi is an Indian mathematician who is known for his work on algebraic topology and the development of the theory of K-theory, as well as his contributions to differential geometry and analysis.

A. Sen is an Indian mathematician who is known for his work on differential geometry and the development of the theory of gauge theory, as well as his contributions to algebraic geometry and analysis.

D. Ramakrishnan is an Indian mathematician who is known for his work on number theory and the development of the theory of modular forms, as well as his contributions to algebraic geometry and analysis.

A. J. Sommese is an Indian mathematician who is known for his work on algebraic geometry and the development of the theory of birational geometry, as well as his contributions to number theory and analysis.