Police said on Wednesday that they have arrested a man on the allegation of stabbing his wife. The accused has been identified as 25-year-old Dhalak Bahadur Thapa of Bagbazaar-31 in the Capital. Police said Thapa stabbed his wife, 21-year-old Sushma Thami Thapa, on their way to the market. Injured Sushma has been taken to the nearby Kathmandu Model Hospital for treatment, said police. Police are looking into the case.