(2)It shall be the duty of every police-officer who is subordinate to the Commissioner of Police -(i)to communicate without delay to the proper officer or servant of the Board any information which he receives of a design to commit or of the commission of any offence against this Act or any rule made hereunder, and(ii)to assist the Chairman or any officer or servant of the Board reasonably demanding his aid for the lawful exercise of any power vesting in the Chairman or in such officer or servant under this Act or any such rule.