help me find this story pleaseeeeeeeeeeeee

In this.. arnav loves arushi or aashi who looks exactly like khushi and they love each other at a certain period the khushi look like will have accident and arnav thinks she died.. he vl b in depression and his parents will arrange marriage for him where the bride is khushi who is look like of that arushi so arnav doesnt love khushi in starting but later he starts loving khushi without even knowing that khushi and arushi are same girl.. arnav doubts it and asks Shashi he says dt he lost his daughter khushi during her childhood in some temple festival and later arnav and family found lil khushi and named her as arushi as she was suffering from memory and later wen arnav n her getting engaged dt tym again in accident khushi got her memory back.. then arnav love khushi full effort .. suddenly arushi comes back in arnav's life claiming her marriage rights but arnav knows that she is fake and some villain have sent her..

Any one know about this story guys???