How long does it take to get payment mandate on UPI app for IPO?

Once an applicant has successfully placed the IPO bid on Dhan web or app, the order will be sent to the exchange and then the exchange will send bid details to the sponsor bank to send the UPI mandate request. The process may take a maximum of 24 hours to send the payment mandate on your UPI app. If you have not yet received the request, cancel the bid and apply again.