You can record Interest (Cumulative)/ Interest (Payout) and other income entries for Post Office in MProfit. Here are the steps you need to follow.  

1. In the MProfit portfolio summary screen, right click on the Post Office name that you need to add a Interest/Other income entries for.

In the dropdown, select Other Transactions and then click on Add Income for Asset. 

2. In this window, select Interest (Cumulative)/ Interest (Payout) or Other income from Trans. Type dropdown. 

Next, Select Date, enter Amount, enter TDS (If applicable) and click Save.