We dissect an exceptional episode throughout the entire existence of financial matters, the 2016 Indian "demonetization." This strategy made 86% of money available for use illicit delicate short-term, with new notes continuously presented over the course of the following a while. We present a model of demonetization where specialists hold cash both to fulfill a money ahead of time imperative and for tax avoidance purposes. We test the forecasts of the model in the cross-part of Indian regions utilizing a few novel informational collections including: the geographic dispersion of demonetized and new notes for causal surmising; nightlight action and work overviews to gauge monetary movement remembering for the casual area; charge/Visas and e-wallet exchanges information; and banking information on store and credit development. Locale encountering more serious demonetization had relative decreases in monetary action, quicker reception of elective installment advancements, and lower bank credit development. The cross-sectional reactions cumulate to a compression in total business and nightlights-based result because of the money deficiency of at minimum and of bank credit of in comparative with their counterfactual ways, impacts which disperse throughout the following not many months. Our investigation rejects cash non-impartiality utilizing an enormous scope regular examination, something yet uncommon in the huge writing on the impacts of financial approach.