Pakistan SindhAzadi March on August 14: PTI ready to block Railway trackTNT DeskAugust 6, 2014August 6, 2014 by TNT DeskAugust 6, 2014August 6, 2014 KARACHI: Pakistan Tehreek e Insaf (PTI) organized a sit-in against Pakistan Railway (PR) administration at Karachi City Railway station on Wednesday, TheNewsTribe.com reported....