they show tht scene of today when kk and su are hugging each other in their room and a voice from behind says that ab aaye hai khushiyan kk ke pass lekin
and thne they show kk seeing here and there and tells su tht someone was there su tells her no one is there and then they show us a old women with a blanket on her face and only her eyes r shown is standing outside kk and su room
and the voice says kahin ateet ka saya yeh khushiyan par naa pad jaye