You can add funds via UPI or NEFT/IMPS mode of transaction. To add funds via NEFT / IMPS transaction, you will need to add beneficiary account which is also your lender account. Your unique lender account details will be available in the mobile app under "Add funds" tab.
Note- Usually the transaction is updated on a real-time basis. However, considering some rare situation, it may take upto 2-3 hours for the update.