I'm sorry, I don't actually know the specific love story of Avinash Dwivedi and Sambhavna Seth. There might not be widespread public knowledge about it, or they could be private individuals whose love story has not been highly publicized.
Since I have no information regarding the love story of Avinash Dwivedi and Sambhavna Seth, it's difficult to provide details. They could be individuals with a story that is yet to be discovered by the general public. It might be a story full of unique moments, but without more information, it remains a mystery.
I'm not familiar with the love story between Avinash Dwivedi and Sambhavna Seth. It could be that they are relatively unknown in the context of widely known love stories. Maybe they have a story within a specific community or personal circle that has not reached a broader audience.