First use launch excel activity and then read excel work sheet
Then use for each and give input as the datatable which you get from read excel sheet activity and loop through it
Take if condition and writte condition as below
Currentitem[columnname] = your value
In first operand of if activity
Then select equal to in drop down
And write
True in the second operand
Then inside if activity use delete rows from excel or delete row from data table activities as per your requirement
Hope this helps
Usha