Agar Tum Saath Ho Song Video Download HD | Alka Yagnik & Arijit Singh | Tamasha Movie: Agar Tum Saath Ho is latest song of new upcoming movie Tamasha featuring Ranbir Kapoor and Deepika Padukone. The latest track from Tamasha movie is sung by Bollywood singers Arijit Sigh and Alka Yaknik. Music is given by