Sukhwinder Singh, Sunidhi Chauhan, other singers promote 'Sarbjit'
Bollywood's popular singers gathered together for a musical night to promote biopic 'Sarbjit'
(L-R) Sukhwinder Singh, Shail Hada, Sunidhi Chauhan
Sonu Nigam, who recently underwent a knee surgery, walked up to the stage with crutches and performed at the do. Pics/Yogen Shah