Exemption under section 35AC extends eligibility for a charitable school project and maintains approved cost unchanged. The Central Government has notified continuation of the 'Senior Secondary School' project by The Good Samaritans, New Delhi, as an eligible project for exemption under section 35AC, following the National Committee's recommendation; the project's approved cost remains unchanged and the notification extends eligibility for a further three-year period beginning with financial year 2008-09.