Bollywood, politics and the underworld. Sounds like a puzzle? Not quite. If the investigative agencies are to be believed, it’s just the opposite. In fact, after decades of cheek-by-jowl existence, much like life in Dharavi, these apparently independent pieces of the jigsaw are now inextricably interlinked, with narcotics the thread binding them together, as the drug dragnet strengthens and spreads its tentacles across Maharashtra, particularly Mumbai.