In section 80-IC of the Income-tax Act, in sub-section (2), with effect from the 1st day of April, 2008 --
(i) in clause (a), in sub-caluse (i), for the figures, letters and words "1st day of April, 2012", the figures, letters and words "1st day of April, 2007" shall be substituted;
(ii) in clause (b) in sub-clause (i), for the figures, letters and words "1st day of April, 2012", the figures, letters and words "1st day of April, 2007" shall be substituted.