2nd Call tender for the work of supply of isolator status panel along with laying of various size control cable with glanding, dressing, termination and fabrication and erection of cable tray for the capex scheme of replacement of old 220kV existing RADSS bus bar protection scheme by new CTR make numerical bus bar protection scheme at 220kV/ 400kV substation, GCR, MSETCL, Chandrapur.