Presenting Tung Lak Video song from upcoming biopic movie SARBJIT starring Randeep Hooda, Aishwarya Rai Bachchan, Richa Chadda in leading roles, directed by Omung Kumar. br The song Tung Lak is sung by SUKHWINDER SINGH,SUNIDHI CHAUHAN,SHAIL , music directed by SHAIL-PRITESH and lyrics written by SANDEEP SINGH.