12. Accounts and audit.-

The Custodian or Custodians of the undertakings of either, or both, of the two companies shall maintain an account of the undertakings of the concerned company or companies in such form and manner and under such conditions as may be prescribed and the provisions of the Companies Act, 1956 (1 of 1956), shall apply to the audit of the accounts so maintained as they apply to the audit of the accounts of a company.