Infrastructure Tata Steel to operate out of the Sahibabad facility of Bhushan Steel Updated : August 30, 2018 01:51 PM IST Tata Steel's Kalinganagar plant has already commenced phase II of its expansion which would take the capacity of the unit from three million tonnes per annum (MTPA) to eight MTPA. Bamnipal Steel Ltd (BNPL), a wholly-owned subsidiary of Tata Steel, completed the acquisition of controlling stake of 72.65 percent in Bhushan Steel Ltd (BSL) in May. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.