There was dirty money created by demonetizion. We have not yet accounted for 1. Cash in Bhutan and Nepal where indian currency was widely used. 2. NRIs who leg

There was dirty money created by demonetizion. We have not yet accounted for 1. Cash in Bhutan and Nepal where indian currency was widely used. 2. NRIs who legally held INRs but the cost of exchange was too high 3. Residents who have loose cash lying around - under mattresses, long forgotten jeans and missed the deadline for exchange.