Hi Rohit,
Are you using example VIs in LabVIEW? I would recommend starting there if you have not yet. They can be find by going to Help >> Find Examples >> Modular Instruments >> NI-HSDIO. Also, you may get more responses by creating a new thread. This thread is marked as being solved and hasn't been used in almost 4 years. It isn't likely that the people involved are still monitoring this discussion. Thanks!
Josh B
Applications Engineer
National Instruments