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Partha Sarathi Hajra has extensive experience in the metro sector, with roles in design validation, testing, commissioning, maintenance, and interface management. Hajra has worked with companies like National High Speed Rail Corporation Ltd and BEML LTD, with a background in electrical engineering from College of Engineering & Management and R K M Vidyamandira. Hajra's expertise includes troubleshooting propulsion systems, auxiliary power supply systems, brake systems, and public announcement systems.