What is the correct buy average for my partly-paid shares?
The buy average for your partly paid shares only includes the paid-up price. Check the below example of the Reliance PP shares for details -
The buy average of Reliance partly paid shares on Console is Rs. 314.25. This includes only the already paid call amount (i.e. 25% of Rs. 1257):
If you have purchased Reliance REs and applied for the partly paid shares, the cost you've incurred is Rs. 314.25 plus the price paid for buying the REs.