The government had set an April 2016 deadline for rolling out the GST, which seeks to streamline India's tax administration by replacing a myriad of complex taxes charged by the 29 states with a uniform nationwide levy. Economists estimate that could add up to 2 percentage points to gross domestic product, according to Reuters.
This setback comes a week after fierce protests erupted across the country against Modi's plans to overhaul India's stringent labor laws in order to give companies greater flexibility in hiring and firing employees.
On September 2, ten major unions – representing a wide range of sectors, from banking to coal mining - called a nationwide strike over the government's "anti-labor" policies.
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And this wasn't it. Just days before, Modi accepted defeat on the highly controversial land acquisition bill that would make it easier for businesses to buy farm land for infrastructure and industrial projects.
Modi has had to issue temporary executive orders in the past seven months to make it easier to buy land for projects after failing to secure sufficient support in parliament. Opponents of the bill argue it will hurt the interests of farmers, while the government says it's required for economic development.
On August 28, he allowed the executive order to lapse and said that he was ready to amend the proposed law.