 On moving to England he had become one of East Finsbury's member of London County Council, on which he served from 1910 to 1919 as a Councillor before becoming a County Alderman from 1919 to 1922.Cotton returned to India to become President of the Bengal Legislature 1922-1925.The constituency was created, in 1885, as a division of the parliamentary borough of Finsbury, in the historic county of Middlesex to the north of the City of London.