Starring <strong>Emraam Hashmi, Konkona Sen Sharma, Huma Qureshi, Kalki Koechlin</strong> Directed by <strong>Kannan Iyer</strong> Rating: <strong>* * * *</strong> Do you believe in the supernatural? Even if you don’t this fabulously effective take on the wages of renewable evil would prompt you to look nervously over your shoulders the next time you pass through dark shadowy corridor.