(1) Every person, in whose possession or custody or control--
         (i) the Mokameh unit, or
         (ii) any undertaking or Arthur Butler and Company, or
any part of such unit or undertaking or any machinery, instrument or other movable assets forming part of such unit or undertaking, may be immediately before the appointed day, shall forthwith deliver possession of the Mokameh unit or such undertaking or such part, machinery, instrument or other asset, as the case may be, to the Central Government or the Government company or to such person or body of persons as the Central Government or the Government company may specify in this behalf.
     (2) Every person who has, on the appointed day, in his possession or under his control any assets, books, documents or other papers relating to the Mokameh unit or any undertaking owned by Arthur Butler and Company, which has vested in the Central Government or a Government company under this Act, and which belong to Britannia Engineering Company or, as the case may be, Arthur Butler and Company, or would have so belonged if the Mokameh unit, or as the case may be, the undertakings owned by Arthur Butler and Company, had not vested in the Central Government or the Government company, shall be liable to account for the said assets, books, documents and other papers to the Central Government or the Government company and shall deliver them up to the Central Government or the Government company or to such person or body or persons as the Central Government or the Government Company may specify in this behalf.
     (3) The Central Government may take or cause to be taken all necessary steps for securing possession of the Mokameh unit and the undertakings of Arthur Butler and Company which have vested in it under section 3.