Deduction under section 35AC: specified charitable projects approved for allowable expenditure deduction over notified assessment years. Notification designates specified institutions and their named projects as eligible for deduction of expenditure under the relevant income tax provision, listing for each the estimated project cost and the maximum amount of that cost allowable as a deduction, and confines the availability of those deductions to the assessment years expressly indicated for each project, with subsequent footnote substitutions adjusting some cost figures.