The city's first steel building will open its doors in March. Being constructed by the Institute for Steel Development and Growth (INSDAG) at Anandapur, the four-storey structure uses 350 tonnes of steel as opposed to 150 tonnes in a normal building. Apart from the INSDAG centre, it will house offices of the Rashtriya Ispat Nigam Ltd. The only other steel building in the city is now under construction inRajarhat.