-- 2$-3$ billion worth of old currency IT department last year.
-- The total tax base is increased. Evidence of this is that PAN card applications have increased 3x (Daily Issuance of PAN Nearly Triples Post Demonetisation), number of people filing tax has grown a lot [Income tax base expands by 9.1 mn people after note ban) and net tax collections is also significantly up. This is good for a lot of reasons. It makes the taxation fair and also can help government increased budgetary allocations.
-- Economy is able to run normally with 20% lower currency levels.Which makes it harder for households to hoard money. When money is not hoarded, it makes for greater efficiency in the economy.
-- Bank deposits have grown significantly
-- Digital banking became a way of life atleast in the urban India.
