In section 80G of the Income-tax Act, -
(a) for sub-section (1), the following sub-section shall be substituted with effect from the 1st day of April, 1977, namely :-
"(1) In computing the total income of an assessee, there shall be deducted, in accordance with and subject to the provisions of this section, -
(i) in a case where a aggregate of the sums specified in sub-section (2) includes any sum specified in sub-clause (vii) of clause (a) thereof, an amount equal to the whole of such sum plus fifty per cent. of the balance of such aggregate; and
(ii) in any other case, an amount equal to fifty per cent. of the aggregate of the sums specified in sub-section (2).";
(b) in clause (a) of sub-section (2), with effect from the 1st day of April, 1977, -
(i) in sub-clause (v), the words "for any charitable purpose;", the words "for any charitable purpose other than the purposes of promoting family planning; or" shall be substituted;
(ii) after sub-clause (v), the following sub-clauses shall be inserted, namely :-
"(vi) any authority referred to in clause (20A) of section 10; or
(vii) the Government or to any such local authority, institution or association as may be approved in this behalf by the Central Government to be utilised for the purpose of promoting family planning;";
(c) in sub-section (4), for the words, brackets and figures "sub-clauses (iv) and (v)", the words, brackets and figures "sub-clauses (iv), (v), (vi) and (vii)" shall be substituted with effect from the 1st day of April, 1977;
(d) after Explanation 4, the following Explanation shall be inserted, namely :-
"Explanation 5 : For the removal of doubts, it is hereby declared that no deduction shall be allowed under this section in respect of any donation unless such donation is of a sum of money.".