as someone pointed out in comments on your first article on the India situation, they're not banning cash. they're replacing old notes with new, supposedly more traceable, 500- and 2000-rupee notes. they're just having a hard time rolling them out fast enough. http://www.ndtv.com/india-news/old-notes-valid-for-10-more-days-amid-dash-for-cash-10-developments-1625070