Exemption for charitable medical project specified, enabling tax-deductible contributions after administrative extension. The Central Government specified the Maitri Mandal Trust's project of purchasing medicines, equipment and an ambulance and providing financial assistance to poor patients in Mumbai as eligible for exemption under section 35AC; after the National Committee recommended continuation under rule 11M(5) the Government extended the specification for a further three years beginning with assessment year 2001-2002.