Raisaheb Surajbhan Chaudhary leads a luxurious life in a lavish mansion with Rajlaxmi, his wife of thirty years, and their two sons: Rajkumar, who has been married to Shyama for several years, and Mohankumar, who is studying at a college out of town.
Surajbhan is deeply disappointed in Rajkumar, as he has yet to provide the family with an heir. To make matters worse, Mohan, a devout follower of Lord Bajrangbali (Hanuman), has taken a vow of celibacy and adamantly refuses to get married. The situation takes a drastic turn when a young woman named Neena arrives at the Chaudhary mansion with her son, claiming that Mohan secretly married her and then abandoned her. Medical tests eventually confirm that the child is indeed a descendant of the Chaudhary family.
Consequently, Surajbhan and Rajlaxmi demand that Mohan and Neena officially tie the knot, much to Mohan's dismay. However, things get complicated when Surajbhan discovers that the child is actually Rajkumar's, and that Neena has successfully pulled the wool over everyone's eyes.