If the IPO was applied through kite.zerodha.com using the PhonePe UPI app, a notification for the mandate would be sent.
If the notification was missed, log in to the Phonepe app and tap on
the bell icon to see the notification.
Tap on Accept and validate the application by entering the UPI PIN. Then, verify the IPO application number by checking the registered email ID. The application number will include the 6-digit Zerodha client ID.