Tax exemption notification: Greater Vaisakha Leprosy Treatment Scheme recognised under section 10(23C)(iv) for specified assessment years. The Central Government notifies the Greater Vaisakha Leprosy Treatment and Health Education Scheme, Visakhapatnam, under clause (iv) of sub section (23C) of section 10 of the Income tax Act, recognising the scheme for the statutory tax treatment for the assessment years 1981 82 to 1983 84.