Tax exemption recognition for charitable institution under section 10(23C)(iv) formally notified for specified assessment years. The Central Government notifies Arya Vaidyasala, Kottakkal, Kerala as eligible under 10(23C)(iv) of the Income-tax Act, 1961, conferring the statutory recognition required for tax-exemption treatment applicable to charitable entities and specifying that this recognition applies for the assessment years covered by the notification.