Colonial Empire. Introducing The Colonies -- The final stage desired - and aimed at - by Britain for her colonies is full self-government and equal partnership within the British Commonwealth of Nations. This final stage is exemplified in Ceylon, the final act of whose independent status was performed a few months after this inauguration of her Governor of her new Constitution.The opening of the Ceylon Parliament by His Highness the Duke of Gloucester in 10 February, 1948, first session, which took place in the special Assembly Hall at Torrington Place, Colombo. October 13, 1950.