Exemption under section 35AC: eligible school project for mentally retarded children extended as specified for a further period. Central Government designates the project of running a school for mentally retarded children at Sabarkantha, North Gujarat and Dungarpur District of Rajasthan by Sabarkantha Charitable Trust as an eligible project under section 35AC, and, following the National Committee's recommendation under rule 11M of the Income-tax Rules, specifies the scheme for a further three-year period commencing with the assessment year 2002-2003 at the stated estimated cost.