25L. Definitions.- For the purposes of this Chapter,--
" industrial establishment" means--
a factory as defined in clause (m) of section 2 of the Factories Act, 1948 (63 of 1948 );
a mine as defined in clause (i) of sub- section (1) of section 2 of the Mines Act, 1952 (35 of 1952 ); or
a plantation as defined in clause (f) of section 2 of the Plantations Labour Act, 1951 (69 of 1951 );
notwithstanding anything contained in sub- clause (ii) of clause (a) of section 2,--
in relation to any company in which not less than fifty- one per cent. of the paid- up share capital is held by the Central Government, or
in relation to any corporation[ not being a corporation referred to in sub- clause (i) of clause (a) of section 2] established by or under any law made by Parliament, the Central Government shall be appropriate Government.