Dependent fees can also be added through Excel template
In excel template :
1.Action - If dependent fees need to be set for a fee head, select the action Add
2.Fees - Select the fee head on which you want to set the dependency
3.Dependent Fees - Select the fee head on which you want to set the dependency
4.Fees Id and Dependent Fee Id - need to be left blank by the user. The system generates the ID for them.