Islamabad: Islamabad High Court (IHC) has sought reply from the respective respondents in contempt of court case against over its November 24 protest in Islamabad.Written order has been issued in contempt of court plea against PTI protest in Islamabad in defiance of court's orders.According to written order notices have been issued to interior secretary, chief commissioner, deputy commissioner and IG Police Islamabad.The court has issued notice to administration and sought reply.It has been said in written order that all the four respondents should file reply till next week.