Ghulam Haider was the first music director who showed complete faith in musical talent of which best-known and most respected playback singers in India?
Ghulam Haider (composer):  He is also known for giving a break to the well-known playback singer, Lata Mangeshkar. Lata Mangeshkar:  She is one of the best-known and most respected playback singers in India.
i don't know