Barsaat Ki Raat (1960)

Amidst fierce Qawali competitions, a poor poet/singer, Aman Hyderabadi, falls in love with Shabnam, the daughter of Police Commissioner Khan Bahadur. After Aman is humiliated by Bahadur, Shabnam and Aman elope and travel to Lucknow, where Aman changes his name to Kamal Lucknowi and hopes to earn a living by singing. But his voice gives him away and soon he will be hunted by a friend-turned-foe, Inspector Shekhar, who is determined to arrest him.