supply of procurement of led based twin beam head light 24v dc 4w (rdso specification no- rdso/2017/el/spec./0134 rev-3 or latest) etc. , procurement of led based twin beam head light 24v dc 4w (rdso specification no- r dso/2017/el/spec./0134 rev-3 or latest) for track machine. part make- ensave/ signotron / mats ushi / plasser / phooltash / kershaw or equivalent, note:- materials supplied by firm should be fitted on machine without any modification and all ports & mounting should match as per existing part on machine and all function of item should work successfully. [ warranty period: 30 months after the date of delivery ] ]