I have an excel file in which 5 fields has to be dynamically selected by row by row in the excel.
Please help me with the procedure
Do you need to create a Data-Driven Virtual Service?
Here is the detailed documentation on how to create a data-driven VS:Create Data-Driven Virtual Services - DevTest Solutions - 10.3 - CA Technologies Documentation
and here you can find some examples of data-driven VS: Examples of Data-Driven Virtual Services - DevTest Solutions - 10.3 - CA Technologies Documentation
If this is not what you are looking for, please give some more details of what you need to accomplish.
Hope it helps.