The story is about an overweight and middle-aged out-of-work private detective played by Raj Kapoor. Bela, played by Zeenat Aman is Gopi's neighbour. Gopichand, gets assigned to trace some diamonds that have been stolen. He finds that the diamonds are located in a coffin in a Catholic burial ground in Goa.
"Mai Hu Sher Punjab Ka" - Kamlesh Avasthi, Lata Mangeshkar
"Chhoti Si Gilasiya Me Bhang Hume Deiyde" - Kamlesh Avasthi, Asha Bhosle