tender for a set of aluminium tags for air brake sub assemblies as per drg.no.bvp-abk-01 to is:73731000h2 contains two items. (1) tag of size (45x25x0.75) with 6 mm hole for cut off angle cocks = 08 nos.(2) tag of size (45x25x0.75) with 10 mm hole for i/c, nrv, etc. = 09 nos. material and specifications are as perdrawing.