Think of a Bollywood horror movie and what comes to mind is a Ramsay film with 'a puraani haveli', 'Ramu kaka', creaking doors and ugly-as-hell monstrous creatures. The graphics and costumes are so bad, that they're funny, not scary, But while some movies have spoilt the reputation of Bollywood horror flicks but that doesn't mean that Bollywood has never produced any gems. Here's a list of 11 Bollywood movies that are so scary that you just cannot watch them alone: