Chennai: More than five months after an eight-year-old girl walking home was intercepted, dragged into a grove and raped by a 35-year-old guest worker, a special court for Pocso Act cases found him guilty of the offence, and imposed double imprisonment on the man.Investigation had initially hit a dead-end, as police could gather only a grainy image of the suspect — Kale Biswakarma from Dibrugarh in...