It is believed that God took different avatars to end the chaos created by the Rakshasas (devils), torturing of innocent, to establish righteousness and to protect the dignity of the Vedas. But killing Ravan was not the only reason for Seventh incarnation of Lord Vishnu, Ram. This episode of Holy Tales by Himanshu Sharma will tell you few more reasons other than Ravan's cruelty that made Lord Vishnu take Shri Ram Avtar.