**Aryabhata:**

Aryabhata was India’s first mathematician and an astronomer. He was born in 476 B.C In Tauranga in Bihar. His main mathematical work was “Aryabhatiya”. Aryabhata also worked on the place value system using letters to denote numbers. He even worked in the field of astronomy and discovered the position of nine planets and explained that these nine planets revolved around the sun. Aryabhata also explained that there are 365 days in a year.

**Brahmagupta:**

Brahmagupta was born in 598 A.D. I Bhinmal which is in a state of Rajasthan. He wrote many books on astronomy and mathematics. One of the most important works done by him was ‘ Introduction to Zero’ in the number system. One of the famous work of Brahmagupta is ‘Brahmasphutasiddhanta’ in which there are various rules of arithmetic which have become an important part of today’s mathematics. He used mathematics first to predict the positions of the planets and timings of lunar and solar eclipses.

**Srinivasa Ramanujan:**

He is one of the renowned and popular Indian Mathematician. Srinivasa Ramanujan was born in 22nd December 1887 in Madras. Although he did not receive any formal education in mathematics, he contributed a lot to the field of mathematics. He has a close associate **G.H Hardy (**English mathematician) with whom he worked for the progress of mathematics. His important contribution in mathematics consists of analysis and game theory.

**P.C. Mahalanobis**

Prasanta Chandra Mahalanobis was a famous scientist in India. Born on 29 June 1893 in Kolkata. He has founded ‘ Indian Statistical Institute’ and also did work for National Sample Surveys which provided him international recognition. Researches regarding statistics are done in Indian Statistical Institute located in Kolkata. It has 4 more centres situated in Delhi, Bengal, Chennai and Tezpur.

**C.R. Rao:**

Calympudi Radhakrishnan Rao was born on 10 September 1920 in Karnataka is known as C.R.Rao. He is a famous statistician and well-known for his theory of estimation. He has been rated as one of the top 10 Indian scientists by Times of India. He has been awarded Padma Vibhusan and Padma Bhushan awards.

**D.R.Kaprekar:**

He was born on 17 January 1905 in Dahanu, Maharashtra. One of the famous Indian recreational mathematician. He led to the discovery of many results in number theory. He did not receive any formal mathematical education, but he did remarkable tasks in the field of mathematics and discovered the ‘Kaprekar Constant’ which was named after him.

**Harish Chandra:**

Harish Chandra was born on 11 October in the year 1923 in Kanpur. He got his education from B.N.S.D. college, Kanpur and from the university of Allahabad. He is well-known for the infinite, dimensional group representation theory. He received many awards in the field of mathematics like Cole Prize in Algebra and Srinivas Ramanujan medal.

**Satyendranath Bose:**

** **Satyendra Nath Bose was born on 1 January 1894 in Kolkata. He graduated from university of Calcutta.He gained recognition for his on the Boson , which is a class of particle him.Satyendranath Bose also went to Europe to work and he worked there for two years at X ray and crystallography laboratories. He worked in collaboration with Albert Einstein. His famous work is on Quantum mechanics in early 1920 which led to the formation of Bose-Einstein statistics and Bose-Einstein condensate theory. He has been awarded the Padma Vibhusan award by the Government of India.

**Bhaskara II**

Bhaskara II was born in Bijapur in Karnataka. He is one of the much-renowned mathematicians of medieval India he declared that any number divided by zero is infinity and the sum of any number and infinity is also infinity. He has written the book “ Siddhanta Siromani” which is a well- known book. The Indian space and research Organization on 20 November 1981 launched ‘Bhaskara II Satellite in the honour of the great mathematician and astronomer.

**Narendra Karmarkar:**

** **He was born in 1957 in Gwalior. He is very famous for his Karmarkar algorithm. He is considered as one of the top researchers by the Institute for Scientific Information. He also developed the algorithm for linear programming and this is a benchmark in the field of Linear programming. He even worked for Bell Laboratories in New Jersey.