As per mythology Rahu is the head of Asura Svarbhanu and Ketu is the body of him,. The Svarbhanu was beheaded by lord vishnu after he managed to drink the nectar after ocean churning.

As per mythology Rahu is the head of Asura Svarbhanu and Ketu is the body of him,. The Svarbhanu was beheaded by lord vishnu after he managed to drink the nectar after ocean churning.