(1)All particulars contained in any return or declaration made or accounts, registers or other documents produced in accordance with this Act shall, save as otherwise provided in sub-section (3), be treated as confidential, and notwithstanding anything contained in the Indian Evidence Act, 1872 (1 of 1872) no court shall be entitled to require the Administrator or any person authorised by the Administrator under this Act or any officer or other employee of Government to produce before it any such return, declaration, accounts, registers or other documents or any part thereof or to give evidence before it in respect thereof.