For the sake of secrecy, the government largely avoided printing replacement notes in advance. So there has been an acute and protracted shortage of cash as the government struggles to catch up. That, in turn, has proved economically damaging.
"In Its Third Month, India’s Cash Shortage Begins to Bite" is from the January 24, 2017 World section of The New York Times. It was written by Geeta Anand and Hari Kumar and narrated by Caroline Miller.