A new song titled 'Kar Har Maidaan Fateh' from Ranbir Kapoor starrer 'Sanju' has been released. It has been composed by Vikram Montrose, with vocals by Sukhwinder Singh and Shreya Ghoshal. Shekhar Astitwa has penned the song's lyrics. Written and directed by Rajkumar Hirani, the film also stars Sonam Kapoor, Paresh Rawal, Manisha Koirala, Vicky Kaushal and Dia Mirza.