India, Aug. 17 -- The Goods and Services Tax (GST), when it was finally implemented after decades of labour, was India's largest ever indirect tax reform. It created a nationally unified market and a unique federal forum for governing it. Doing away with state-level bumps in the indirect tax regime, however, was only one of the GST's promises. It was also expected to make the tax regime simple, especially in terms of slabs. Prime Minister Narendra Modi's Independence Day speech has raised hopes of this promise being fulfilled eight years after GST's roll out.

Speaking from the ramparts of Red Fort - the directional changes were later shared by finance ministry officials - Modi said that the Union government has sent a proposal to the Gro...