In the Rajatarangini, a history of Kashmir written by Kalhana in the mid-12th century, it is stated that the valley of Kashmir was formerly a lake. According to Hindu mythology, the lake was drained by the great rishi or sage, Kashyapa, son of Marichi, son of Brahma, by cutting the gap in the hills at Baramulla (Varaha-mula).

During the reign of Ashoka (304–232 BCE), Kashmir became a part of the Maurya Empire and Buddhism was introduced in Kashmir. During this period and the city of Srinagari (Srinagar) were built.

During one of his hunting campaigns he reached the Tawi River where he saw a goat and a lion drinking water at the same place. The king was impressed and decided to set up a town after his name, Jamboo.