Mere Sajna is a 1975 Bollywood film directed by Kewal Kumar.
Ratan (Navin Nischol) is a criminal working for Master (Ajit) and his wife Sona (Helen).
He goes home to his mother's funeral and meets with his childhood friend Kammo (Raakhee), who is mentally incompetent.
But once it becomes clear that Ratan wants to marry Kammo for her money, both she and the Master fully support it.
Ratan wants to break free of Master and Sona, but they won't let him.