Identify the subsidiary of SAIL that is located along the Kolkata-Asansol railway line?

Correct option is C

The correct answer is (c) Indian Iron and Steel Company (IISCO).
 Indian Iron and Steel Company (IISCO) has a subsidiary located along the Kolkata-Asansol railway line.
 This subsidiary is the Burnpur Works, located in Burnpur, West Bengal. Burnpur lies directly on the Kolkata-Asansol railway line.
 SAIL stands for Steel Authority of India Limited.
 It is a steel manufacturing company owned and administered by India's Ministry of Steel.
 SAIL operates and owns five integrated steel plants at Bhilai, Rourkela, Durgapur, Bokaro, and Burnpur (Asansol) and three special steel plants at Salem, Durgapur, and Bhadravathi.
 Steel Authority of India can trace its origins back to the Hindustan Steel Limited (HSL) which was set up on 19 January 1954