C.I.D. - Season 1 Episode 675

Daya is on a date with his girlfriend and he proposes to her, instead of being happy she can be seen worried and want to tell something to Daya, but he has to rush to work for a new case. A young woman gets injured in a car accident and loses her memory, all information in her documents states that she is married to a man called Vishal but he refuses to believe that. He informs them that her wife died a month agoand this woman is an imposter. Who is lying?