With reference to the report, “GST changes: Enabling provision for peak 40% rate” (March 3) by Dilasha Seth and PTI, it’s intriguing to learn that various enabling provisions of the proposed goods and services tax have been getting murkier. GST, perceived to be a “one nation, one tax” mega project of the Bharatiya Janata Party government at the Centre, has witnessed drastic changes in tax slabs, which were thought to be legitimate in the initial stages and in the category-wise “coverage” of the various goods and services at the level of the Centre and states. Perhaps, it has become difficult