supply of air flow indicator gauge self illuminated with led arrangement , union nut tail pipe,and washer to rdsos drg. no.skdp-3510 alt-1 & skdp-3518, alt-2,air flow indicator gauge self illuminated with led arrangement , union nut tail pipe,and washer to rdsos drg. no.skdp-3510 alt-1 & skdp-3518, alt-2,,air flow indicator gauge self illuminated with led arrangement , union nut tail pipe,and wa sher to rdsos drg. no.skdp-3510 alt-1 & skdp-3518, alt-2, and acceptance as per rdsos inspection pl an no. mp-tp-14, july 2000 ( rev-o) amd no.2 of june/2003 or latest for wam-4 & wag5 locos. [ warran ty period: 30 months after the date of delivery ] ]