Notification No- S.O.4304 – Income Tax It is hereby notified for general information that the validity of Notification No. 648 (F. No. 203/47/74-ITA. II), dated 19-6-1974, issued by the Ministry of Finance (Department of Revenue and Insurance) granting approval to the Tata Energy Research Institute, New Delhi, under section 35(1)(ii) of the Income-tax Act, 1961, is hereby restricted up to 31-3-1984