During the ‘Varaha‘ Kalpa of the Seventh ‘Manvantar’ lord Vishnu illuminated all the three world by his divine presence. This seventh Manvantara consisted of four yugas which repeated themselves in a cyclic way for twelve times.
The first dwapar of this seventh manvantar saw the manifestation of lord Shiva for the welfare of the brahmins. When Kali Yuga arrived Lord Shiva again manifested himself along with goddess Shakti and was known as Mahamuni Shweta. Lord Brahma had the priviledge of becoming his disciple.
During the second dwapar, sage Vyasa existed as Satya, Prajapati and Lord Shiva became famous as ‘Sutar’. Lord Shiva in his incarnation of Sutra had many disciples among whom
‘Dundubhi’ was very famous.
During the third dwapar sage Vyasa took his incarnation as Bhargava and lord Shiva became famous as Daman. Lord Shiva in his incarnation as Daman had four disciples among whom Vishoka was very famous. When Kali Yuga arrived after this third dwapar. Lord Shiva along with his Disciples helped Sage Vyasa.
During the fourth Dwapar Sage Vyasa took his incarnation as Angira and Lord Shiva as
‘Suhotra’. Even in this incarnation Lord Shiva had four disciples among whom Sumukh was very famous. Lord Shiva along with his disciples helped Angira.
During the fifth dwapar sage Vyasa took incarnation as Savita and Lord Shiva as ‘Kanka’ who was very famous for his tremendous austerities. Kanka had four disciples among whom Sanak was very famous.
During the sixth dwapar sage Vyasa took incarnation as Mrityu and Lord Shiva as ‘Lokakshi’. Lokakshi had four disciples among whom Sudhama was very prominent.
During the seventh dwapar sage Vyasa manifested himself as Indra and Lord Shiva as Jaigisatya. Jaigisatya had four disciples among whom Saraswat was very prominent.
During the eighth dwapar sage Vyasa took incarnation as Vashishtha and Lord Shiva as
Dadhivahan. Dadhivahan had four disciples among whom Kapila was very famous.
During the nineth dwapar sage Vyasa took incarnation as Saraswat and Lord Shiva as ‘Rishabh’. Lord Shiva in his incarnation as Rishabhdeva had four disciples among whom Parashar was very famous.