Mahindra Truck and Bus Division, formerly called Mahindra Navistar / Mahindra International, is an Indian commercial vehicle manufacturer formed in 2005 from a joint-venture between Navistar International (49%) of the United States and Indian automobile maker Mahindra & Mahindra (51%). It has been demerged into Mahindra & Mahindra ltd and became a separate division. Mahindra Truck and Bus Division's Head office is located at Chinchwad, Pune and its manufacturing line is inside Mahindra Vehicles Manufacturers Ltd., Chakan, Pune.