Watch Agar Tum Saath Ho Song from the bollywood movie `Tamasha`
Singer: Alka Yagnik, Arijit Singh
Music: A.R. Rahman
Lyrics: Irshad Kamil
Cast: Ranbir Kapoor, Deepika Padukone, Javed Sheikh, Nikhil Bhagat, Faraaz Servaia, Punam Singh
Director: Imtiaz Ali