Jaan ki qasam sach kahte haiN - Kishore, Lata - Azaad (1978). Music composed by Rahul Dev Burman, lyrics by Anand Bakshi, directed by Pramod Chakravorty.
This video is uploaded as a tribute to Rahul Dev Burman. All credit and copyright are to the original sources. This is purely for entertainment, and not for any commercial usage whatsoever.