https://www.lonelyplanet.com/thorntr...n-cash?page=27
The above is Thorn Tree thread at Lonely Planet that has lot more datapoints than our thread here. Look at the last few pages for more recent situation. Many different people seem to be contributing there and without being affected by personal political views.
Separately some in India suggest that the last week to deposit cash (especially from expats arriving over xmas holidays) may produce lines at banks but ATM seem to be doing ok in various cities.
Trying to get change for 2000 Rs note after making 100-300 RS purchase yields same reaction as at corner deli in NYC when presenting 100 USD bill after making 5-15 USD purchase.