returning director chair ajay devgn put lend spokesperson title track discussed idea january left shoot bulgaria ajay great ear euphony song heart photographic film have sex concept agreed sing informs mithoon working music play down score year bt undivided first look international artistes also bestow vocalisation song film inspiration lord shiva song need emanate power charisma certain saturation could think anyone ajay sing reasons player adding ajay gave complete creative freedom experiment euphony would drop studio apartment late nights discuss mithoon inform soundtrack contemporary feel worked extremely hard create right sound made anything like last years promises ajay back bulgaria spend prison term studio rehearsing song going concluding memorialize towards oddment calendar month mithoon acknowledge really keen bring ajay behind mic share dandy rapport feels easy singing passionate home production anything best interest bollywood videoswatch maker impressed setwatch ajay devgn croon title track shivaay