<Tr> <Th> Court </Th> <Td> Supreme Court of Sri Lanka </Td> </Tr> <Tr> <Th> Seat </Th> <Td> Colombo and Sri Jayawardenepura Kotte, Colombo District </Td> </Tr> <P> The Government of Sri Lanka (GoSL) (Sinhala: ශ්‍රී ලංකා රජය Śrī Laṃkā Rajaya) is a semi-presidential system determined by the Sri Lankan Constitution . The GoSL administers Sri Lanka from both its commercial capital of Colombo and the administrative capital of Sri Jayawardenepura Kotte . </P> <P> The Constitution of Sri Lanka has been the constitution of the island nation of Sri Lanka since its original promulgation by the National State Assembly on 7 September 1978 . It is Sri Lanka's second republican constitution, and its third constitution since the country's independence (as Ceylon) in 1948 . As of April 2015 it has been formally amended 19 times . </P>

What form of government was existing in sri lanka