Demonetisation was a “very tough” decision; it increased the “formal economy”: Amit Shah indianexpress.com

"Those people who are asking about the benefits of demonetisation, I would like to tell them that since independence, we were able to add only 3.7 crore in our tax payer base…In last three years, we have increased the number of taxpayers from 3.7 crore to 6.3 crore," Amit Shah said