Chandi Devi temple, built by Adi Shankaracharya in 8th century A.D is one of the most ancient temples of north India. According to Hindu mythology, the ancient kingdom of Lord Indra was captured by two demons called Shumbh and Nishumbh who had thrown the Gods from the heaven. Prayers of the gods were heard Chandika Devi, a powerful Goddess was formed from the cells of Goddess Parvathi. She was a beautiful and dynamic Goddess and demon King Shumbh wished to marry her. She refused and the king sent Chanda and Munda to kill her. They were killed by Kalika Devi who was born out of Chandika Devi's anger. When their efforts failed the Demon kings themselves tried to kill Chandika Devi but were in turn slain by the Goddess. Battle won Chandika Devi rested for a short while at Neel Parvat. To keep the Goddess among the mortals and welcome her back again, the Chandi Devi temple was built. The temple is a very famous pilgrim spot and gathers devotees all around the year. Because of its location, the Chandi Devi temple is also a preferred choice for trekkers.