Correct Option: A

SAIL with its corporate office in New Delhi operates and manages five integrated steel plants at Bhilai, Bokaro, Durgapur, Rourkela and Burnpur, a plant of the Indian Iron and Steel Co. Ltd. (IISCO), which is a wholly owned subsidiary of SAIL. SAIL also has four Special and Alloy Steel and Ferro-alloys units at Durgapur, Salem, Chandrapur and Bhadravati. The plants at Chandrapur and Bhadravati belong to the Maharashtra Elektrosmelt Limited and Visvesvaraya Iron and Steel Limited respectively which are also subsidiaries of SAIL.