The goods and services tax (GST) architecture has been significantly improved in recent weeks. First came the simplification of tax rates. GST has moved mainly to a two-rate structure, along with a higher rate for select sin goods. The move has considerably simplified the tax structure. The second big improvement came on Wednesday with the launch of the GST Appellate Tribunal (GSTAT) by Union Finance Minister Nirmala Sitharaman. This was a big missing piece in the overall GST construct. The body was envisioned in law, but its establishment was delayed owing to legal challenges. As a result, it will start

)