Many great sages gathered at the bank of the river Sarasvati to participate in Maha Yagya. All the great saints and sages could not decide that out of the Trinity Lord Vishnu, Brahma, and Shiva who is pre-eminent and to whom should they offer Pradhanta (Master) of that Yagya. With the consent of all the great saints presents there, it was decided that Bhrigu will test and decide who was pre-eminent.