(5)[ The deduction under sub-section (1) shall not be admissible for any assessment year beginning on or after the 1st day of April, 2001, unless the assessee furnishes in the prescribed form, alongwith the return of income, the report of an accountant, as defined in the Explanation below sub-section (2) of section 288, certifying that the deduction has been correctly claimed in accordance with the provisions of this section.