Whenever the earth gets in turmoil, Lord Vishnu incarnates to save mankind and other lives on earth, and his avatars are known as Dashavatar - the ten avatars! Matsya Avtar was his first Avatar.

This episode of Holy Tales by Himanshu Sharma will tell you how Lord Vishnu appeared in the form of a fish to save the four Vedas from the clutches of the demons and save Satyavrat Manu from the Jal Pralay.