He is seen riding into battle clad in gold armor on Makara, a sea monster, with a mystical noose or lasso made from a snake.  
Despite his importance, only a dozen of the over one thousand hymns of the Rig Veda are addressed to him.  He is seen riding into battle clad in gold armor on Makara, a sea monster, with a mystical noose or lasso made from a snake.  With a name meaning "he who covers", he was the enforcer of contracts, bringer of rains, and keeper of the divine cosmic order in pre-Vedic times.  Afterwards he was known as the god of oceans and rivers, attended by the nagas.  FTP, name this Hindu god, who was supplanted by Indra as supreme lord of the cosmos.
Despite his importance, only a dozen of the over one thousand hymns of the Rig Veda are addressed to him.  
Varuna