At which place, India’s largest open blast furnace has been recently commissioned?

At which place, India’s largest open blast furnace has been recently commissioned?
[A]Durgapur
[B]Burnpur
[C]Rourkela
[D]Midnapur

Burnpur
Prime minister Modi inaugurated the upgraded steel plant of IISCO that has the country’s largest blast furnace and has been modernised at a cost of Rs.16,000 crore. After modernisation, the plant’s production capacity has increased from 0.85 million tonnes per annum (mtpa) to 2.9 mtpa.