It is that time of the year when Indians are busy cleaning their homes and shops, decorating it with flowers, lights and lanterns, buying new clothes, making sweets and savories and visiting relatives, family and friends. Yes, it’s Diwali, the festival of lights, when the evening shimmers with rows of tiny flames of earthen lamps and when the darkest new moon night (as per Hindu calendar) is turned into one of the brightest, glowing night by the hundreds of lamps and lanterns, swaying outside homes and shops, on terraces and crossroads. The spectacular display of fireworks fills the sky with…