Section 35AC specifies enhancement of approved project cost for a polio hospital scheme following national committee recommendation. Under Section 35AC, the Central Government specifies the 'Equipments and Running of Polio Hospital at Ahmedabad, Gujarat' as an eligible project and amends the earlier notification to substitute the previously approved maximum allowable project cost with an enhanced figure following a recommendation of the National Committee for Promotion of Social and Economic Welfare and noting that the project extends beyond fifteen years.