80G. Deduction in respect of donations to certain funds, charitable institutions, etc.

(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 the aggregate of the sums specified in sub-section (2) includes any sum or sums of the nature specified in sub-clause (iiia) or in sub-clause (iiiaa) or in sub-clause (iiiab) or in sub-clause (iiie) or in sub-clause (iiif) or in sub-clause (iiig) or in sub-clause(iiiga)or sub-clause (iiih) or sub-clause (iiiha) or sub-clause (iiihb) or sub-clause (iiihc) or sub-clause (iiihd) or sub-clause (iiihe) or sub-clause (iiihf) or sub-clause (iiihg) or sub-clause (iiihh) sub-clause (iiihi) or sub-clause (iiihj) or in sub-clause (vii) of clause (a) or in clause (c) or in clause (d) thereof, an amount equal to the whole of the sum or, as the case may be, sums of such nature plus fifty per cent. of the balance of such aggregate; and

(ii) in any ...more

Source: http://www.incometaxindia.gov.in/acts/income%20tax%20act/80g.asp

Yes,the answer is here as b a