Reserve Bank of India Governor Urjit Patel is learnt to have told the parliamentary panel on demonetisation that discussions between the central bank and the government on the process began early last year. NEW DELHI: The Reserve Bank of India has injected Rs 9.2 lakh crore worth of new currency notes into the banking system to help replace the notes banned in November, a parliamentary panel member quoted RBI governor Urjit Patel as saying on Wednesday.