The Governor of the Reserve Bank of India is the Chief Executive Officer of India's central bank and the ex-officio chairperson of its Central Board of Directors. Indian Rupee currency notes, issued by the Reserve Bank of India, bear the governor's signature. Since its establishment in 1935 by the British colonial government, the RBI has been headed by twenty-five governors.The Governor of Reserve Bank of India is a member of the Strategic Policy Group headed by National Security Advisor Ajit Doval.It is a crucial wing of National Security Council. The term of office typically runs for three years and can, in some cases, be extended for 2 yearsGovernor of the Reserve Bank of India 1935 to 2019