supply of supply, installation of safety panel cover for roof mounted cab ac for control box in three phase locomotives as per attached annexure.supply, installation of safety panel cover for roof mounted cab ac for control box in three phase locomotives as per attached annexure.,supply, installation and commissioning of ohe on/off indication light arrangement at els/c nb. arrangement consists of one red & green led lights each in metallic plate having good visibility of at l east 50 meter with required wiring work for installation. [ warranty period: 30 months after the date of d elivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited