S. 32AD : Investment in new plant or machinery in notified back ward areas in certain States-Additional investment allowance-Notification specifying backward area relates back to 1-4-2015-Entitle to additional investment allowance-The notification is neither taxing nor exempting the tax either in full or in part to any class of assessees but it only specifies the details requisite for implementation of the section-Issuance of notification by the CBDT is only pursuant to the delegated legislation, but not a conditional legislation-Circular No. 19 of 2015, dt. 27-11-2015 (2015) 379 ITR 19 (St), Notification dated 20-7-2016(2016) 386 ITR 6 (St))