Qaid (1975)
Advocate Jai Saxena lives in a small flat with his mom. One day his mom hires a maidservant named Imarsi, but later they find out that she is an impostor, and fire her. A few days later she comes knocking on their door in the dead of night, claiming that she is the sole heiress of Rai Bahadur Tulsinath’s estate, and that someone is out to kill her.