3. Notwithstanding anything to the contrary in any other law for the time being in force,-
(a) no family [or body] shall be entitled to retain any land held by it in excess of one hundred standard bighas in the aggregate and all lands held by it in excess of that quantity shall be surrendered to the Government; and
(b) no family [or body] shall be entitled to acquire any land by purchase, inheritance, gift, heba or otherwise which, added to the land already held by it exceeds one hundred standard bighas in the aggregate:
Provided that the limitation imposed by clause (a) shall not apply to any land held under waqf, debuttor or any other religious or charitable trust, if the income from such land is exclusively dedicated to religious or charitable purposes without reservation of any pecuniary benefit for any individual:
Provided further that if the income from any such land is partly dedicated to religious or charitable purposes and partly reserved for the pecuniary benefit of any individual, only such portion of the land, to be selected in the prescribed manner, shall be exempted from such limitation, as would yield the income exclusively dedicated to religious or charitable purposes.