The incident happened under Katwa subdivision's Ramdaspur area when Jayanta Hazra killed his wife Rakhi with a sharp edegd weapon after returning home last night.
Police said the man then walked off with his wife's blood-soaked head and threw it outside the house of the neighbour with whom he suspected his wife had an affair.
After the incident, which happened in front of his 10-year-old daughter, he surrendered to the police and admitted of the crime.