Reserve bank of india popularlly called RBI is india’s national bank. The bank duties controlling india’s financial backbone. Some of duties of Reserve Bank of India are 1. Issueing of notes from Rs.5 to Rs.2000.( Rs.1 and Rs.2 issued by government of India) . 2. Controlling of Banks in india. The RBI authorised licenceing authority for controlling banks. 3. Reports time to time guide government in the financial matters like monitory policy, inflation, GDP, interest change, etc. 4. Fixing interest for loans and savings or fixed deposit with guidence to banks. 5. Protecting people from any problem from banks. 6. Demonetisation of currency issued by RBI. Finally RBI protect indian economic stability and financial security to protect people from cheating, financial matters