Tender For supply of below mention 05(five) items -cabling with 20 pair jelly filled telephone cable from the 50 pair distribution db box ,installation of distribution board 20 pair krone in each section. ,installation of distribution board 300 pair krone on ground floor. ,installation of i/o box with 2 middle telephone socket. ,cabling from db box of each section to the telephone point allocated with 3 pair telephone wire through pvc pipe.