Cards Of Frauscher Make Msdac : Input/Output Board Io-Exb, Part No. 20864 As Per Rdso S Pecification No. Rdso/Spn/176/2013 Ver.-3 Or Latest Suitable With Existing Installations Of Msdac In Ranchi Division. Accepted Make- M/S Frauscher Sensor Technology. [ Warranty Period: 30 Months After The Date Of Delivery ] ]