Gtpl Broadband Pvt. Ltd. - INTERNET NOT WORKING

I START GTPL BROADBAND CONNECTION **/**/**** PLAN NAME : B**_**MBPS_**M_****, ONU Cost Waiver AFTER FEW HOURS CONNECTION MANY PROBLEM IN GTPL BROADBAND. INTERNET SPEED VERY LOW, SOMETIME INTERNET PROPER NOT CONNECT, INTERNET RANGE VERY LOW, GTPL SUPPORT TEAM NOT SUPPORTIVE AND MANY TIMES COMPLAINT AND REQUEST BUT NOT SOLVE AND MANY TIME RAISED COMPLAINT BUT GTPL TEAM NO ANY DISCUSSION AND SUDDENLY COMPLAINTS AUTOMATICALLY CLOSED
SO PLEASE RAISE THE MY COMPLAINT AGAINST GTPL BROADBAND AND SOLVE THIS PROBLEM