To add fees group, go to Fees Collection > Fees Group (fees group is collection of different types groups, here you can create fees like Class 1 General - I Instalment, II Instalment fees, month wise fees, admission fees, transport fees, Class 2 General - exam fees, caution fees) then enter Name and Description and then click on Save button. You can view this added record in the Fees Group List on the right side of the page.
To edit fees group click on Edit icon and to delete fees group click on Delete icon present in the fees group list.