supply of manufacturing and supply of complete set of inspection gauges as per rdso drg. no. t-9002 (part) for 6400 mm curved switchmanufacturing and supply of complete set of inspection gauges as per rdso drg. no. t-9002 (part) for 6400 mm curved switch,manufacturing and supply of complete set of inspection gauges as per rdso drg. no. t-900 2 (part) for 6400 mm curved switch with 60e1 a1 thick web tongue rails for 1 in 8.5 turnout b.g (1673 m m) for 60e1 rail on psc sleeper to rdso drg. no. rt-6280 for use in depot. along with testing and calibration by any government approved lab or by any nabl accredited labs and confirming to specification , material: 3 mm thick tool steel plate of grade tc-3 (table-1) of is:1570 (part-6) or equivalent or higher hardness. the gauges are to be supplied in in a wooden case. one set consist of (i) gauge no. 1/a & 1/b - e nd