Singer Amaal Mallik is collaborating with ‘karaoke-video-making’ app Smule, enticing fans to join-in on singing a virtual duet with him. The ‘Ghar Se Nikalte Hi’ singer, whose sultry and soothing voice has been behind a number of Bollywood love-ballads in the recent years, has chosen his 2020-released hit ‘Tu Mera Nahi’ for a virtual collaboration … “Watch: Singer Amaal Mallik Sings ‘Tu Mera Nahi’ With His Fans In a Virtual Collaboration”