In 1992 Zwickau's last coke oven plant was closed.
2.
Rourkela Steel Plant has an associated fertilizer plant that produces nitrogeneous fertilizers using ammonia feedstock ( from its coke oven plant ).
3.
In October, 1971, the Coking Coal Mines ( Emergency Provisions ) Act, 1971 provided for taking over in public interest of the management of coking coal mines and coke oven plants pending nationalization.
4.
This was followed by the Coking Coal Mines ( Nationalization ) Act, 1972 under which the coking coal mines and the coke oven plants other than those with the Bharat Coking Coal Limited ( BCCL ), a new Central Government Undertaking.
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