This is a boring, routine exercise. But the reporting around it has been breathless.
The government isn't banning the note, they are being taken out of circulation in a boring, routine operation. At best it's of local interest and I am puzzled as to why this non-story is getting so much attention.
I would be equally surprised if a story about the UK pulling old notes out of circulation was covered by The Hindu Businessline and then made it to the front page of HN.
The 2000 rupee notes were a stop gap measure to mitigate the fallout from the I'll conceived and badly executed demonetization exercise from 2016. No new 2000 rupee notes have been issued in years and aged notes are all being withdrawn now. They remain legal tender and the exchange limits are meant to avoid overburdening bank branches like what happened during demonetization.
This is a boring, routine exercise. People are projecting their wishful fantasies onto it. In this very thread, there are people claiming it will reduce corruption, promote digital payments and hit the electoral prospects of opposition parties. None of them make even a lick of sense.