when Dhruva,a young child of five is sent to forest to meditate on god, Naradha takes him as his disciple. he was charmed by the naivety of the child. As his Guru, Naradha teaches Dhruva the Mantra - the Incantation _ Aum Namo Bhagavate Vasudevanya - to recite constantly with utter devotion.This is 'Bhakthi Yoga'.
