Step 1: Go to HDFC net banking page and login with your credentials
Step 2: Click on the Bill Pay & Recharge and then Continue
Step 3: Click on “Click here to add” under “Register New Biller”
Step 4: Select Mutual Fund, then BSE Limited
Step 5: Enter/Paste the URN and select the options as shown below
Congratulations! Your i-SIP biller request has been registered. You will hear from your bank within 2-3 business days.