The western world ruled over most of the world for a long time, which empowered them to claim superiority in every way, including in the field of knowledge. Let us now take
a look at some of these contributions of ancient India in mathematicians and astronomy

Baudhayan was the first one ever to arrive at several concepts in Mathematics. The value of pi was first calculated by him.
pi is useful in calculating the area and circumference of a circle. Pythagoras theorem was already found in Baudhayan’s Sulva Sutra.

Brahmgupta
In 7th century, he took mathematics to heights far beyond others. In his methods
of multiplication, he used place value in almost the same way as it is used today. He introduced negative numbers and operations on zero into mathematics. He wrote Brahm Sputa Siddantika