4. (1) Where any person entitled to pension under section 3,
(a) is elected to the office of the President or Vice President of India or is appointed, to the office of the Governor of any State or the Administrator of any Union Territory; or
(b) becomes a Member of the Council of States or the House of the people or any Legislative Assembly of a State or Union Territory or any Legislative Council of a State; or
(c) is employed on a salary under the Central Government, or any State Government, or any Corporation owned or controlled by the Central Government or any State Government, or any local authority or otherwise receives any remuneration from such Government, Corporation or local authority
such person shall not be entitled to any pension under section 3 for the period during which he continues to hold such office or continues as such Member or is so employed or continues to receive such remuneration:
Provided that where the salary payable to such person for holding such office or being such Member or so employed, or where the remuneration referred to in clause, (c) paid to such person is in either case, less than the pension payable to him under section 3 such person shall be entitled only to receive the balance as pension under that section.
(2) Where any person entitled to pension under section 3 also receives any pension from the Central Government or any State Government, or any Corporation, owned or con trolled by the Central Government or the State Government, or any local authority, under any law or otherwise, then
(a) where the amount of pension which he receives under such law or otherwise is more than five hundred rupees per month, such person shall not be entitled to any pension under section 3
(b) where the amount of pension which he receives under such law or otherwise is less than five hundred rupees per month, such person shall be entitled to full or portion of the pension under section 3, so that the total amount of the pensions does not exceed five hundred rupees per month
(3) Notwithstanding anything contained in sub-section (2), where any person entitled to pension under section 3 also receives any pension from the Central Government or any State Government as a freedom-fighter, then such pension shall not be taken into consideration in deciding the amount of pension to which he is entitled under that section.