Song – Teri Yaadon Mein
Film – The Killer
Singer – K K, Shreya Ghosal
Lyricist – Jalees Sherwani
Music – Sajid, Wajid
Artist – Emraan Hashmi, Nisha Kothari, Irfan Khan
Music On – T-Series

Set it as your caller tune – http://goo.gl/Ghj4rQ