supply of supply, testing, installation and commissioning of dc supervision relay suitable for 132 kv / 25kv traction sub-station (tss), complete with mounting hardware , supply, testing, installation and commissioning of dc supervision relay suitable for 132 kv / 25kv traction sub-station (tss), complete with mounting hardware, wiring accessories, terminals and all n ecessary fittings, ready for operation in all respects, suitable for ashida make panel and fully suitable for th e existing relay control panel and protection circuit. the offered relay shall comply with rdso specificatio n no.ti/spc/psi/protct/6072 or latest applicable specification,including all applicable amendments/corrige nda. the scope shall include necessary testing, relay settings, integration with the existing protection syste m and commissioning at site, complete in all respects. [ warranty period: 30 months after the date of del ivery ] ]