 "Main Tulsi Tere Aangan Ki" is about an aristocrat, Thakur Rajnath Singh Chouhan (Vijay Anand), who is in love with his mistress Tulsi (Asha Parekh) but forced to marry a strong aristocratic woman named Sanjukta (Nutan).Tulsi sacrifices her life, some time after giving birth to Rajnath's son Ajay, because she wants Sanjukta to have her husband all to herself.Rajnath and Sanjukta send Ajay to boarding school to prevent him from bearing the stigma of being an illegitimate child.