Members of Punjab Teachers Union (PTU) chant slogans in favor of their demands during protest rally at Mall road in Lahore on Thursday, May 03, 2012. (Babar Shah/PPI Images).
Members of Punjab Teachers Union (PTU) chant slogans in favor of their demands during protest rally at Mall road in Lahore on Thursday, May 03, 2012. (Babar Shah/PPI Images).
