'Nashe Si Chadh Gayi', the new song from the Ranveer Singh and Vaani Kapoor starrer 'Befikre' was released on Tuesday. The song has been sung by Arijit Singh and composed by the music director duo Vishal and Shekhar. This is the film's first song which features the lead characters 'Dharam', played by Ranveer, and 'Shyra', portrayed by Vaani.