Silchar, Sept. 8 -- A 28-year-old cab driver was arrested for allegedly killing his wife after a heated argument in Assam's Guwahati, police said on Monday, adding that the severed head of the woman was recovered from a refrigerator at her rented residence in the Beltola area. The accused Ramanujan Gowsami was arrested after he surrendered to the police at Hatigaon Police Station.P6...