S.80IA: Industrial undertakings]-Enterprises engaged in infrastructure development-Industrial park-Withdrawal of approval by CBDT-CBDT could not have on its own motion withdrawn the notification-The communication of Ministry of Commerce which was relied upon by the CBDT for withdrawing the notification has been subsequently clarified by the Ministry of Commerce itself as well as by the High Court-There was no reason for withdrawal of notification-The AO is directed to allow the claim of deduction under S. 80IA(4).[S.80IA(4)(iii), 119]