Ref : post :
/blog/post/1644719 These men finally reached Patiala station today, doing trenching and laying of 6-Quad Cable from DUI to PTA. This cable shall be used for railway communication system, which at present is done by overhead old BSNL lines (which shall now be remove in view of upcoming electrification and OHE work, as the 25kv line shall create a lot of distortion to the overhead communication lines and they may get static charged too.