Not many know this fact that Mahesh Bhatt and Vikram Bhatt has got the sensational singer Arijit Singh to record a special unplugged version of the smash hit song 'Khamoshiyan' that has been used in the trailer. The makers were blown away with the unplugged version that was recorded by Arijit and immediately decided to use it for the trailer.

The reason - the track was a perfect fit to the theme of the film that spoke about silences having secrets and went superbly with the visuals cut for the trailer.

"It is a sensational song. One of the best songs that I have heard in my lifetime and its poetry is simply brilliant. Very few songs will ever match the intensity of the Khamoshiyan song and we have used it in the trailer," says Mahesh Bhatt.

The trailer of this supernatural film has been a rage online becoming the fastest non star-cast trailer to garner a million views.

Watch 'Khamoshiyan' Trailer