Under the legal system, there is a division of legal tender which includes forms of currency. Demonetization plays a role here by removing a form of legal tender from circulation. Demonetizing high value banknotes aims to curb black money, corruption, counterfeiting, and terrorist activities that use unaccounted cash. While causing short term economic disruptions, demonetization may help boost the formal economy over the long run by reducing the shadow economy and increasing tax revenues. Both positive and negative impacts are discussed along with short term costs and long term benefits to the economy and fight against corruption.