supply & repairing of 8 channel cctv surveillance system at 132 kv substation kaudihar, under electy. trans. division-i, prayagraj-2 replacement of signal cable by new three plus one copper wire of cp pule / secure eye / v-guard make, job includes laying, dressing and clamping. 3 supply and fixing of new hd cctv camera of 36 ir day night 1.3 mpx, 36 mm sony lens at desired place. 4 replacement of hd cctv camera of 36 ir day night 1.3 mpx, 36 mm sony lens at desired place. 5 supply and fixing of video ballun 600 m with 03 nos. rc & bnc sockets for 01 no. camera. 6 supply and fixing of 03 amp. 12 volt dc signal power supply for boost the signal quality with 2cx1.5 sq.mm. auto wire. 7 supply and fixing of 01 no. black tft monitor 18 of standard make along with hdmi cable length and its accessories. 8 commissioning of complete surveillance system in all respect.