Hello Hum Lallan Bol Rahe Hain is a family comedy drama. The movie revolves around Lallan (Rajpal Yadav), a security guard who is in love with a pretty girl named Saroja (Preeti Mehra), who is going to marry a wealthy old man to inherit his money. Lallan is not happy with the match and tries to convince Saroja to not marry the old guy. However, for Saroja’s happiness, he helps her in arranging for the wedding, but he is shocked to learn a secret about her.