Shiv is doing everything to make her remember her past and Vyom is doing everything to make her forget that same past😆
Everybody around her keeps telling her that she and Vyom are a couple, that they were deeply in love when the accident happened. So far she has no reason to doubt them and is thus falling into their trap, but once she knows about Shiv's existence it will be another story.
ShivOm are Rivals-I assume