Section 5(2)(b) in Dalmia Dadri Cement Limited (Acquisition And Transfer of Undertakings) Act, 1981
(b)no award, decree or order of any court, tribunal or other authority in relation to the undertakings of the Company, passed after the appointed day, in respect of any matter, claim or dispute which arose before that day, shall be enforceable against the Central Government, or, where the undertakings of the Company as directed under section 6 to vest in the Cement Corporation, against that Corporation;