Gopichand Jasoos (1982)

Middle-aged, portly, in dire need of funds, Gopichand, a Private Detective, gets assigned to trace some stolen diamonds. More through error than trial and investigations, he deduces that the diamonds are located in a coffin in a Catholic burial ground in Goa. Upon arrival, he finds that he is not the only one seeking these diamonds, for there are several other people who also know the alleged location of these diamonds and they will let nothing come in their way to get what they have come looking for.