Aryabhatta was a famous mathematician and astronomer during the Gupta period. He is credited with the discovery of the ? decimal? system. For the first time in Indian history , he analysed astronomy and mathematics as two distinct fields of study . For a long time, he remained neglected. He was in the news and became a subject of discussion in 1975 when the Indian scientists sent a satellite into the space called ? Aryabhatta? after the name of Aryabhatta?the mathematician and astronomer.