supply of supply of inspection gauge set as per rdso specification rt-5920.supply of inspection gauge set as per rdso specification rt-5920.,supply of inspection gauge set as per rdso specification rt-5920 for inspection of erc mar k-v t 5919. [ warranty period: 30 months after the date of delivery ] ] , manufacturing and supply of complete set of inspection gauge as per rdso drg no.t- 9002) for 6400mm curved switch with 60e1a1 thick web tongue rails for 1 in 8.5 turnout bg (1673 mm) for 60 e1 rail on psc sleepers to drg no.t-6280 as per rdso drawing attached. [ warranty period: 30 months after the date of delivery ] ] , manufacturing and supply of complete set of inspection gauges as per rdso drg no.t-6213 f or 6400mm 1 in 8.5 overriding fan shaped switch (curved) b.g for 60e1 rail on psc sleepers to drawing r dso t-4966. list of gauges as per rdso drawing attached. [ warranty period: 30 months after the date of delivery ] ]