There was once an Asura (Demon) named Hiranyakashipu. He was the younger brother of Hiranyaksha (who was killed by the Varaha Avatar of Lord Vishnu). In order to avenge the death of his brother, Hiranyakashipu performed severe penances. Lord Brahma was pleased with his austerities and asked him what he wanted. Hiranyakashipu asked for a boon that he should neither be killed by a man nor a beast, neither by day nor by night, neither indoors nor outdoors, neither on earth nor in the sky and finally without any weapon. Brahma granted him this boon. With this boon, Hiranyakashipu became very powerful and troubled everyone in the three worlds. He asked everyone to treat him as God as he felt he was equivalent to one with his new gained powers. Everyone had to obey him as they were afraid of him. But his son, Prahalad, was a great devotee of Lord Vishnu. When he was in the womb of his mother, Kayadu, he listened to many stories of Lord Vishnu from Sage Narada and developed firm faith i...