Answer:
Aryabhata .
Step-by-step explanation:
Aryabhata or Aryabhata I was the first of the major mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy.
also Valmiki is celebrated as the harbinger-poet in Sanskrit literature.
The word Purana literally means "ancient, old", and it is a vast genre of Indian literature about a wide range of topics, particularly myths, legends and other traditional lore.