Nidhi is the culprit off acid attack on Aliya. Aliya disguised as Ruhaan.
Ruhi comes back home and everyone welcomes her. She is free from all accusations.
Off screen: Nidhi says yes I did acid attack on Aliya disguised as Ruhaan. I will be arrested but I might come back as well. Ruhi says he threw the blame on me when I went to meet Aadi. Aadi says I stayed in jail for two days. Ruhi says he saw the criminal wearing heels and I never wear heels.