Writing and Painting saw a significant development in India around 1500 years ago. In India, construction of temples was an expensive activity. In these temples, deities such as Vishnu, Siva and Durga were worshipped in these shrines. Ajanta is a place where several caves were hollowed out of the hills over centuries. During this period, some of the best epics were written. Puranas were written during this time, and Aryabhata wrote a book based on Science concepts.