<P> Having secured their accession, Sardar Patel and V.P. Menon then proceeded, in a step - by - step process, to secure and extend the central government's authority over these states and to transform their administrations until, by 1956, there was little difference between the territories that had formerly been part of British India and those that had been princely states . Simultaneously, the Government of India, through a combination of diplomatic and military means, acquired control over the remaining European colonial enclaves, such as Goa, which were also integrated into India . </P> <P> As the final step, in 1971, the 26th amendment to the Constitution of India withdrew official recognition of all official symbols of princely India, including titles and privileges, and abolished the remuneration of the princes by privy purses . As a result, even titular heads of the former princely states ceased to exist . </P> <P> During the period of the British Raj, there were four princely states in Balochistan: Makran, Kharan, Las Bela and Kalat . The first three acceded to Pakistan . However, the ruler of the fourth princely state, the Khan of Kalat Ahmad Yar Khan, declared Kalat's independence as this was one of the options given to all princely states . The state remained independent until it was acceded on 27 March 1948 . The signing of the Instrument of Accession by Ahmad Yar Khan, led his brother, Prince Abdul Karim, to revolt against his brother's decision in July 1948, causing an ongoing and still unresolved insurgency . </P> <P> Bahawalpur from the Punjab Agency joined Pakistan on 5 October 1947 . The Princely states of the North - West Frontier States Agencies . included the Dir Swat and Chitral Agency and the Deputy Commissioner of Hazara acting as the Political Agent for Amb and Phulra . These states joined Pakistan on independence from the British . </P>

Which province of pakistan did not have any constitution during british rule