When Balarama went to patala after his death, one of the serpents who greeted him was Ambarish, as per Mahabharata Mausalaparva Chapter 4 verse 16.
When Balarama went to patala after his death, one of the serpents who greeted him was Ambarish, as per Mahabharata Mausalaparva Chapter 4 verse 16.