Northern Coalfields Limited
It is a wholly owned subsidiary of Coal India Limited, under the Ministry of Coal, Government of India and Mini Ratna (Category-I) company since 2007. ... there are 10 numbers of opencast mines where coal (sub-bituminous coal, i.e. non-coking coal in the range of grades G5 to G-13) is produced by (i) Shovel-Dumper combination and (ii) …
