When ever the new row is added slno should auto increment
If you are adding the column from UiPath activites then there is an option as per below screenshot :
However, if it is predefined column then you can initial a variable with count of items in Sl NO and then increase it inside the same loop where you are adding the Row items.
i tried with this i think i missed out something can you show me with some example
@shruti, Can you share your sample file where you tried? I can help you in modifying it as per the scenario?
Please find the attached sample workflow for your understanding and let me know