The biggest issue is that there is no opposition to the BJP - which won the election with a massive majority. This is never good in a democracy.
But Modi's policies have been abysmal failures - demonetization killed the rural economy and actually ended up being a boon for the black money hoarders ( people ended up converting their black money to white).
99% of money was returned back to the reserve bank, shows the dismal failure of the experiment.
https://economictimes.indiatimes.com/news/economy/finance/af...
The economy is dragging
https://www.ndtv.com/opinion/opinion-how-to-fix-the-economy-...
The sad part is Modi goes around touting the India growth story,spinning fabrications,people are seeing through this but unfortunately there are no options.