This industry was developed in different stages during different Five Year Plans after independence. During the Second Five Year Plan factories were established at Durgapur (West Bengal) with British collaboration, at Rourkela (Odisha) with Russian collaboration, and at Bhilai (Chhattisgarh) with Russian collaboration. The steel plant at Bokaro (Jharkhand) was established during the Fourth Five Year Plan. The steel plant at Bokaro is the largest steel plant in Asia.
