Thanks for your Reply.
Some of the sites say Rivan as an horse rider and if i consider that as a meaning of Rivan then Rivansh could mean Part of the horse rider and if i have to associate that with Vishnu it could be Hagagriva(horse headed avatar) to kill Madhu and Kaitabha and returned Veda...
I am reading everywhere online that Rivansh means Lord Vishnu but I am not sure how the name is associated with lord vishnu.
Rivansh can be divided as Rivan and Ansh. Rivan can mean ocean and ansh means part. So Rivansh could mean Part of Ocean.
Also it is believed that Lord Vishnu can be...