Renewal and Replacement of Defective/Obsolete Public Address (PA) System installed in conference room with new advance system in HPSLDC office Totu Shimla Posted byadmin 2020-10-222020-10-22 Leave a comment on Renewal and Replacement of Defective/Obsolete Public Address (PA) System installed in conference room with new advance system in HPSLDC office Totu Shimla