Main Tere Liye (1988)

Rinku Sagar is the sole heiress of a estate, and wealth. She lives with her uncle and aunt, Makkad and Anjana Saxena respectively. Both of them, including their three sons, Dinesh, Ramesh, and Harish, are manipulating her for their own gains. They even have forged wills ready with her signature. They plan to get her married to one of their sons, sign over the estate to him, leave her penniless and divorced, and they themselves plan to live comfortably for the rest of their lives. What they do not know that Rinku's mother is alive, and she will do anything to protect her daughter, if necessary even kill. For, Rinku's mom is a former convict, having served time for homicide.