Punjabi singer Sukhbir, who is known as the Prince of Bhangra and boast of chartbusters like 'Ishq Tera Tadpave', 'Balle Balle', is back with another track 'Billi Billi Akh' and this time, it's for a Salman Khan film - 'Kisi Ka Bhai Kisi Ki Jaan'.