In 1997 , the Left , sitting in parliamentary opposition , further gained power in effectively paralysed the right-wing parties attempts to pass the more conservative bills to be part of the Constitution . The left successfully pressured the PML ( N ) to move with a proposal of conducting the country 's first nuclear tests in response to India 's nuclear tests in 1998 . Disturbance in civil-military relations in 1999 led to the dismissal of centre-right conservative , PML government . The popular support for the PML ( N ) and PPP declined , with the fall of socialism and conservatism at once in 2000 . President Pervez Musharraf called for a Third Way which led to an establishment of centrist PML ( Q ) in 2002 whereas the pro- social democratic and centre-left party , the PTI , also emerged in the arena led by famed sportsman Imran Khan
nuclear tests
Chagai-I
Socialism in Pakistan