'Nazm Nazm', a new song from the upcoming film 'Bareilly Ki Barfi' starring Kriti Sanon, Ayushmann Khurrana and Rajkummar Rao, has been released. The song which features Ayushmann and Kriti has been composed, sung and penned by Arko. Directed by Ashwiny Iyer Tiwari, the film is scheduled to release on August 18.