Section 14(6)(b) in The Coal Mines (Special Provisions) Act, 2015
(b)no award, decree, attachment or order of any court, tribunal or other authority in relation to any Schedule I coal mine passed prior to the date of commencement of this Act, in relation to the land and mine infrastructure of Schedule I coal mines, shall be enforceable against the Central Government or the successful bidder or the allottee, as the case may be;