Hi Suresh,
Sounds like you are using LabVIEW with the Traditional NI-DAQ driver. In that case, the easiest solution is to use the "Get SCXI Information.vi" in the "Calibration and Configuration" palette. Refer to the "Help" for explanations on the terminals.
I hope you can use this answer.
Philip C.
Applications Engineer
National Instruments
- Philip Courtois, Thinkbot Solutions