1[23. Decision of Central Government final respecting certain matters.—If, for the purposes of this Act, any question arises as to whether—

1. there has been a substantial expansion of an industrial undertaking, or
2. an industrial undertaking is producing or manufacturing any new article,

the decision of the Central Government thereon shall be final.]1. Subs. by Act 26 of 1953, s. 14, for section 23 (w.e.f. 1-10-1953)