Hi @chaitanyaKumar ,
Assuming you have read the Excel sheet data as a Datatable, then we could use the below expression :
UpdateDT = DT.AsEnumerable.Take(10).CopyToDatatable
Then, you would require to write the output in a new Excel sheet.
To Write it in the same sheet, you could clear the Sheet contents using Clear Range
activity (Modern) or could follow the approach here :