Islamabad- Minister for Railways Khawaja Saad Rafique has urged Pakistan Tehreek-e-Insaf to postpone its long march and keep the window of dialogue open for resolution of political issues. Talking to the media persons in Islamabad on Friday, he said though Imran Khan's demands have no legal or constitutional status, a way can be found out in a political manner through dialogue process. He said the government has no intention to use force against Tahirul Qadri but he should refrain from issuing provocative statements.