Krishna, check configuration here: SPRO -> Financial Supply Chain Management -> Treasury and Risk Management -> Transaction Manager -> Money Market -> Transaction Management -> Flow Types -> Derived Flows -> ...
Detailed description here: SAP Treasury - How to create taxes for Issuer
P.S. When you use compound interest - the original flow is being changed from 1200 Nominal interest to 1150 Interest capitalization. So, here tr. SM34 -> VC_TR_DERFLOWS_5 you have to add new original flow + your tax flow.
