GUJRAT: The wife of Pakistan Tehreek Insaaf (PTI) president and former Punjab chief minister Chaudhry Parvez Elahi, Ms Qaisera Elahi and her sister Sumaira Elahi were not allowed to file their nomination papers here on Friday, as the police deployed at the office of returning officer (RO) for NA-64 did not let them to enter the premises. Party sources said …