Pension valid only in certain cases

(a) such person shall not be entitled to any pension under section 3 for the period during which he continues as a Member or is employed or is entitled to receive such salary; Provided that where the salary payable to such person for holding such office as is referred to in clause (c) [sic] is in either case less than the pension payable to him under section 3, such person shall be entitled to receive the deficit of pension under this Act, as pension. (b) Where any person entitled to pension under section 3 also receives any pension from the Central Government or any State Government or from any body corporate managed by the Central Government or a State Government or by any local authority, under any law or otherwise— (i) where the amount of pension which he receives under such law or otherwise is less than five hundred rupees per mensem, such person shall not be entitled to any pension under section 3; (ii) where the amount of pension which he receives under such law or otherwise is less than five hundred rupees per mensem, such person shall be entitled to such portion of the pension under section 3, so that the total amount of the pension does not exceed five hundred rupees per mensem. (c) Notwithstanding anything contained in sub-section (a), where a person entitled to pension under section 3 also receives any pension from the Central Government or any State Government as a freedom fighter, such person shall not be liable to any deduction from the amount of pension to which he is entitled under that section. In the said Act, in section 4, in clauses (a) and (b) of sub-section (2), for the words "five hundred", wherever they occur, the words "three thousand" shall be substituted.