Save as otherwise provided in this Act, the entire executive power for the purpose of carrying out the provisions of this Act ¹*** ²*** and of any other Act for the time being in force which confers any power or imposes any duty on the Corporation, shall vest in the Commissioner who shall also—
         (a) exercise all the powers and perform all the duties specifically conferred or imposed upon him by this Act or by any other law for the time being in force;
         (b) prescribe the duties of, and exercise supervision and control over the acts and proceedings of, all municipal officers and other municipal employees other the Municipal Secretary and the Municipal Chief Auditor and the municipal officers and other municipal employees immediately subordinate to them and subject to any regulation that may be made in this behalf, dispose of all questions relating to the service of the said officers and other employees and their pay, privileges, allowances and other conditions of service;
         (c) on the occurrence or threatened occurrence of any sudden accident or any unforseen event or natural calamity involving or likely to involve extensive damage to any property of the Corporation, or danger to human life, take such immediate action as he considers necessary and make a report forthwith to the Standing Committee and the Corporation of the action he has taken and the reasons for the same as also of the amount of cost, if any, incurred or likely to be incurred in consequence of such action, which is not covered by a budget grant;
         ³[(d) subject to any regulation that may be made in this behalf, be the disciplinary authority in relation to all municipal officers and other municipal employees.]