Everyone knows while the demonetization is the decision of the PM, it was a prolonged need of the country. And if the incumbent govt won't, who would address this need?
How Demonetization tackles counterfeit currency and black money: Explained via analogy with Playing Cards
If you were not clear about how removing high denomination notes can achieve the 2 objectives, lets understand by drawing analogy with Card game ‘Teen Patti’ aka Flash.
Demonetization can affect not only economy and insurgency, but also politics.