...evidence on behalf of the Government is that the appellant wrote a letter on November 3, 1970, to the then Cabinet Secretary stating that the appellant was willing to accept an extension of service for about...contention of the Government is correct that the appellant is estopped from questioning the extension of service asked for by him and sanctioned by the President. It, therefore, follows that if the...Secretary, Government of India, on August 25, 1958, completed thirty-five years' service on December 6, 1960. He was given an extension for one year, four months and 10 days with the result that he retained...