1) On your MProfit portfolio summary screen, right-click on Stocks in the asset bar.
2) In the dropdown, click Add Off-market Transaction (IPO, Installment Payment, Op. Bal) to add your IPO transaction or Off-market transaction.

3) Choose your transaction type and enter the details as required.
Below is an example for adding LIC IPO:
Total Amount to be payable for 200 shares = Rs. 1,70,000
Choose Trans. Type as IPO / Rights Issue. Enter the details.

For future installment payments, you can use the same form, select transaction type as Installment Payment and enter date & amount.