Hare Krishna Hare Krishna, Krishna Krishna Hare Hare. Hare Rama Hare Rama, Rama Rama Hare Hare. Krishna took birth in Dwapar Yuga to destroy the evil forces and to start a new chapter in Hinduism's history. Krishna had a dark complexion which later changed to sky blue. This happened when Krishna dived into the Yamuna river to teach Kalia (Kaliya) naag a lesson. The naag was poisoning the entire river due to which many innocents were getting killed. Initially, the naag threw venom on Krishna in order to kill him; however, it didn't impact Krishna (just changed his complexion). Not just Kaliya Naag , Krishna also killed many other powerful demons, such as Trunavarta, Keshi, Aristhasur, Bakasur, Pralambasur and others. While eliminating such negative personalities, Krishna was eventually preparing to dethrone Kansa (the evil king); however, this was not the main objective of his birth. Kaaliya finally accepted defeat and left Yamuna so that people of Gokul and others who we