In a tragic incident, a Plus-3 girl student was burnt to death at her house in Bhaludunguri village under Bonai Police limits of Sundargarh district on Monday night (Dec 13). The deceased Sapneshwari Munda was reportedly a meritorious student of a college at Lahunipada. As per reports, late on Monday night, the girl was heading into her room holding a kerosene lamp.