distributed control system , Operator Workstations (OWS), Root Cause Analysis (RCA), Zero Forced Outage (ZFO), Failure Mode and Effects Analysis (FMEA), Engineering Workstations (EWS), Network Security, Cybersecurity, Automation, Ims, AWMS, CHETNA, Patch Updates, DISHA, Plc, Troubleshooting, System Backups, Dcs, Digitization, System Upgrades, Programmable Logic Control