This appeal, by Special Leave, by the Andhra Pradesh State Electricity Board a corporation and constituted under The Electricity (Supply) Act, 1948 arises out of the Judgment and order dated, 25.7.1973, of the Andhra Pradesh High Court in Writ Petition No. 3950 of 1971 on its file, rejecting appellant 's challenge to certain proceedings for the recovery of insurance premia respecting the appellant 's undertaking under the Emergency Risks (Factories) Insurance Act 1962 ( 'Act ') culminating in the appellate order, dated, 12.5.1971 of the Central Government under Section 11(3) of the Act affirming, in turn, that dated, 15.10.1969 of the Director of Emergency Risks Insurance Schemes determining the balance of the premia payable at Rs.47,59,109.00.