 Rourkela Steel Plant has an associated fertilizer plant that produces nitrogeneous fertilizers using ammonia feedstock (from its coke oven plant).On 3 February 1959, then president Rajendra Prasad inaugurated RSP's first blast furnace named 'Parvati' when the company was known as Hindustan Steel Limited (HSL).Subsequently, the RSP became a unit of the (SAIL).