Mastana (1970)

Simple-minded, poor, and lonely Satya (Mehmood) finds friendship with a rich but neglected child, Nain-Tara. The snobbish parents of Nain-Tara resent this friendship and prevent their daughter from seeing Satya, only to result in Nain-Tara falling seriously ill. Only Satya's return can now restore the child back to herself. Satya is willing to return, but has been warned by the police to keep away from the child indefintely.