Raiders of the Sacred Stone

When rich jewel thief Sir John Locksley (Rex Harrison) learns that he will soon die, he decides that his most prized possession, the Shalimar Ruby, should pass to a worthy successor. So, he invites the best rival jewel thieves to his estate (a tiny island in the Indian Ocean) for a contest — to the death — for the priceless gem. Features many Bollywood stars, including Dharmendra and Shammi Kapoor, popular in the late 1970s.