Suggestion for prevention of counterfeiting. Even though Honble PM has, through demonetization, destroyed a large portion of counterfeit currency in circulation, it would not take the enemies of the country too long to counterfeit the new currencies in circulation. The security features of our currency are to be improved by introducing Aztec/ Bar codes on our currencies. The RBI database of currency notes should be an App. Thus, every currency note can be checked online for its genuineness