 Ajay Chandra (Amitabh Bachchan) is a part-time singer and runs a small business of manufacturing galvanometers from a tiny and shared office premises. He has big dreams and hopes, and they take shape and form, albeit in theory only, when he meets Aruna Khosla (Moushumi Chatterjee) at a wedding get reception. Both are attracted to each other. Aruna comes from a rich and wealthy background, and Ajay is afraid that by telling her the truth, she may not have anything to do with him - so he exaggerates, living the life of his rich and well-off friend, Prakash Mariwalla. He even manages to impress Aruna s mom (Urmilla Bhatt) and lawyer dad (Satyen Kappu). But Mr. Khosla finds out about Ajay s background, and instructs his daughter never to see Ajay again. He further goes on to prosecute Ajay in a court of law for manufacturing sub-standard galvanometers. Ajay s defense lawyer, Mr. Kapoor (Shreeram Lagoo) argues to everyone s disbelief that Ajay is a victim of a consipiracy.