Hamari Adhuri Kahaani Humnava SONG RELEASES | Emraan Hashmi, Vidya Balan- After the terrific response for the trailer and the title track of `Humari Adhuri Kahaani`, the film makers have now released a new romantic song Humnava and we must say its just woow! br br Click here to DOWNLOAD the Bollywoodbackstage Mobile App br br Android APP-br br iOS APP-br br br For more Bollywood news and gossipbr br Subscribe at br br Like us on Facebookbr br Follow us on Twitterbr