Log in to HDFC Bank NetBanking or the HDFC mobile banking app
Go to the Mutual Funds or Investments section
Select SIP or Systematic Investment Plan
Choose the mutual fund scheme you want to invest in
Enter the SIP amount
Select the SIP frequency
Choose the SIP start date
Set the SIP end date or select perpetual SIP if available
Review the investment details
Confirm and submit the SIP request
Complete the mandate or auto-debit setup if required
Save the acknowledgement or reference number