General anti-avoidance rule targets aggressive tax planning and was deferred before becoming applicable to later assessment years. The document sets out the legislative history and purpose of the General Anti-Avoidance Rule, noting its initial proposal in the Direct Taxes Code Bill, 2009, insertion and omission in successive Finance Acts as Chapter X-A of the Income-tax Act, 1961, and subsequent re insertion; it explains that a review panel recommended deferral for administrative preparation and that amendments and a tax authority notice fixed a later assessment year for GAAR's applicability, distinguishing GAAR's principles based approach from Specified Anti-Avoidance Rules.