Tax exemption under section 35AC: approved institutions and projects qualify for specified deductions for eligible contributions. Tax exemption under section 35AC approves named institutions and their specified projects or schemes as eligible for deduction; the notification lists each institution, describes the eligible project or scheme with its estimated cost, and specifies the maximum amount of that cost allowable as a deduction. The notification applies to the assessment years specified for the listed projects and notes subsequent substitutions altering certain Table entries.