Bangladesh Bank is the first central bank in the world to introduce a dedicated hotline (16236) for the general populace to complain any banking related problem. Moreover, the organisation is the first central bank in the world to issue a "Green Banking Policy". To acknowledge this contribution, then-governor Dr. Atiur Rahman was given the title 'Green Governor' at the 2012 United Nations Climate Change Conference, held at the Qatar National Convention Centre in Doha .But after the death now on his remark led is on MD Unus Ali 2nd Officer Of Bangladesh Bank.