supply of supply, installation and commissioning of retro fitment of revised wsp.supply, installation and commissioning of retro fitment of revised wsp.,supply, installation and commissioning of retro fitment of revised wsp wiring with modified junction boxes and connectors in lhb coaches. (escorts make- kit without speed sensor). kit details are as per enclosed annexure -i & the cable layout of speed sensor and junction boxes will be as per scope of wor k attached. [ warranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]