Could you please elaborate more your use case, as what i have understand is you want to fetch data from 2 Excel sheet in same WorkBook.
If it is your scenario then to fetch data from different sheets, you need to add different DataSource Step because each DataSource represents 1 DataSheet, so for fetching data from multiple sheets, you need to add multiple DataSource Step.
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Thanks for response. Yes, I can do that If we have two files or two Data Source steps.
But In my scenario, I have one excel file in that I have multiple sheets, so in one Data Source step can we read multiple sheets from same file(I know we can achieve that by creating two Data Source steps).