Tenders for Providing And Commissioning Of Data Vis Platform With Fiber Optics Based Bay Monitoring Auxiliary Electrical/Instrumentation System Having Facility Of Live Display Of Data, Tripping, Annunciation, Sms Alert With Mobile Apps Etc. As Per Iec-802.3U For Sub-Station With Data Monitoring & Analytical Software Alongwith Controller And Accessories At 220/132/33 Kv System At 220 Kv S/S Sector 20