Exemption under section 35AC: specified rural health, aquaculture and environment programmes extended for further three assessment years. Central Government specified the Arpan Trust scheme in Sabarkantha, Gujarat - comprising Health, Aquaculture Development and Environment Awareness Programmes - as an eligible project for tax exemption under section 35AC, and, on National Committee recommendation that the project was properly executed, extended the specification for a further three assessment years from assessment year 1999-2000 at an estimated cost of eight lakhs.