MAINT AND REPAIR OF EXTERNAL WATER SUPPLY PIPE LINES, PERIODIC CLEANING AND DESCALING OF SHALLOW WELLS, BOREWELLS, PVC/RCC OVERHEAD TANKS, UG SUMP, MAINT AND REPAIR TO PUMP SETS AND CONNECTED WORKS AT KANNUR AND CALICUT AREA UNDER GE (ARMY) TRIVANDR (投標 №112671161cn)