(cc)[ ] [Inserted by Act 12 of 1990, Section 19 (w.e.f. 1.4.1991).][any sum paid by the assessee in any previous year ending on or before the 31st day of March, 2002] [ Substituted by Act 20 of 2002, Section 31, for " any sum paid by the assessee in the previous year" (w.e.f. 1.4.2003).][to such fund for afforestation as is notified by the Central Government under clause (b) of sub-section (1) of section 35-CCB;] [Inserted by Act 12 of 1990, Section 19 (w.e.f. 1.4.1991).]