The decision was taken by the ministry this week, a top Coal Ministry official said, while refusing to reveal the names of the companies.
"The Coal Ministry has decided to issue show-cause notices to 27 coal block allottees, while seeking an explanation from another 21 mine holders for not developing the blocks on time," the official said.
The steps come on the heels of an inter-ministerial group recommending the issue of show-cause notices to companies, including Jindal Steel and Power, Hindustan Zinc and Ultratech, for delaying production from around 40 mines.
The IMG had last month reviewed the progress of 56 coal blocks and recommended issuing show-cause notices to around 40 coal blocks allottees.
The show-cause notices were recommended for, among others, Gare Palma IV/6 coal block allotted to
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