Inspection Gauges Of Metal Liners As Per Rdso Drg No. T-3767 (Alt-3 Or Latest) For Metal Li Ners To Drg. No.- Rdso/T-3738, Rdso/T-3739, Rdso/T-3740 To Rdso/T-3742. Gauges From G1 To G6 As P Er Rdso Drg T-3767 (Alt-3) Attached As An Annexure. [ Warranty Period: 30 Months After The Date Of Del Very ] ]