supply of heatproof, non-shrinkage, protectiveheatproof, non-shrinkage, protective,heatproof, non-shrinkage, protective, transparent polyvinyl chlorideflexible dust proof cover for protecting roller switches of dbc along with mounting arrangement below the bezel assembly of locomotive cab for the dynamic brake controller of hhp loco with hollow tubular arrangment on the bottom side for protecting harness with end plug having facility of opening and closure with zip arrangement as per drg no: kyn/dsl/etr/23. t est certificate from authorised lab and warranty certificate to be provided. 2 nos. sample to be approved before bulk supply. [ warranty period: 30 months after the date of delivery ] ]