Fali Madon was looking for a bride. A boyish twenty-seven-year-old with twin passions for physical fitness and expensive cars, Fali was the chief priest of a Parsi fire temple in the Colaba district of Mumbai. For six years he’d been searching for a wife from within his tiny, tight-knit community — the Parsis, Indian practitioners of the ancient Zoroastrian faith, number some 60,000 in a country of 1.2 billion — but so far he’d had no luck. To help his chances, Fali visited a bar on a Sunday evening last summer for a karaoke night organized by a Parsi youth group.…