There are a lot of moving bits in the mutual funds flow. We will update once everything is set right. For now, we suggest using coin app or coin web app to place orders.
As per the SEBI regulation, Mutual Funds can't be purchased using the trading account funds. The amount has to be debited from the bank account. The order placement flow has changed, you need to make payment from bank to complete the transaction.
For now, we suggest using coin app or coin web app to place orders.