2. The entire police-establishment under ²[the] Government shall, for the purposes of this Act, be deemed to be one police-force, and shall be formally enrolled; and shall consist of such number of officers and men, and shall be constituted in such manner, as shall from time to time be ordered by the Government. Subject to the provisions of this Act the pay and all other conditions of service of members of the subordinate ranks of any police force shall be such as may be determined by the Government.