Section 80CCF amendment extends deduction applicability to the assessment year beginning April first two thousand twelve. Amendment of section 80CCF inserts the words 'or to the assessment year beginning on the 1st day of April, 2012' after the reference to the assessment year beginning on the 1st day of April, 2011, with effect from the 1st day of April, 2012, thereby extending the provision's applicability to that assessment year.