A 35-year-old school teacher, his pregnant wife and their six-year-old son were hacked to death in their home in West Bengal's Murshidabad district on Tuesday. The bodies of Bandhu Prakash Pal, a 35-year-old primary school teacher, his wife Beauty, 30, and young son Arya were found in different parts of their blood-splattered home in Jiaganj, about 210 km from Kolkata, around noon on the day Vijayadashami and Dussehra were being celebrated.