(b)as respects anything done [after the commencement of the Constitution and before the [commencement] [Substituted by the Adaptation of Laws (No.1) Order, 1956, for " or to be done after the commencement of the Consitution" .] of the Constitution (Seventh Amendment) Act, 1956], shall mean, in a Part A State, the Governor, in a Part B State, the Rajpramukh, and in a Part C State, the Central Government;