Step 1: Raise a complaint immediately on the UPI app using which the transaction was made.
Step 2: Raise a complaint on NPCI’s website: [https://www.npci.org.in/what-we-do/upi/dispute-redressal-mechanism](https://www.npci.org.in/what-we-do/upi/dispute-redressal-mechanism)
Step 3: Raise it with your local cyber crime branch with all relevant details, or here, [https://cybercrime.gov.in/Webform/Index.aspx](https://cybercrime.gov.in/Webform/Index.aspx)