ASBA and UPI in IPOs — How the Money Actually Moves

ASBA and UPI: How IPO Payment Works

This explains how something works. It is not advice. XDQ Labs Private Limited is not registered with SEBI as an investment adviser or research analyst, and nothing here tells you what to do with your money.

Applying for an IPO in India does not move money. It blocks it. That one mechanical fact explains most of what people find confusing about refunds.

ASBA

ASBA — Application Supported by Blocked Amount — is the mechanism behind every IPO application. When a bid is submitted, the bank places a hold on the application value in the account. The money stays in the account, continues to count toward the balance, and continues to earn whatever interest the account pays.

It leaves only if shares are allotted. If they are not, the hold is released and nothing ever left. There is no refund, because there was no payment — a distinction that matters when an application seems to be taking a long time to "refund".

The UPI route

Retail applicants below the threshold usually apply through a broker using UPI. The flow is:

The bid is placed with the broker, with a UPI ID attached.
A mandate request arrives in the UPI app, often within minutes but sometimes hours later.
Approving the mandate blocks the funds. Until it is approved, there is no valid application.
On allotment the mandate is executed; otherwise it is revoked.

The unapproved mandate is the single most common way a retail application fails. It fails quietly — the bid appears in the broker's app, so it looks placed.

What goes wrong

Mandate never arrives	Often a UPI ID the exchange does not recognise for IPO mandates. Not all handles are supported.
Mandate expires	Requests have a validity window. Applying close to the deadline leaves little room.
Insufficient balance	The full application value must be blockable at once. A partial balance fails the whole bid.
PAN mismatch	The PAN on the application must match the demat account. Rejected before allotment.
Multiple applications	More than one retail bid on one PAN gets all of them rejected, not just the extras.

Checking the block

A blocked amount shows in most banking apps as a lien or hold rather than a transaction. Its presence confirms the application is live; its disappearance around the allotment date usually means no allotment — frequently visible before any registrar portal updates.

Allotment dates for current issues, and the registrar handling each, are on the allotment page.

Common questions

Is money debited when I apply for an IPO?

No. The amount is blocked in your bank account and continues to earn interest. It is debited only if shares are allotted. If you receive no allotment, the block is released.

How long does it take to get money back after no allotment?

The block is released around the basis-of-allotment date, typically within one to two working days. Because nothing was debited, there is no refund to process — the hold simply ends.

What happens if I do not approve the UPI mandate in time?

The application lapses. An unapproved mandate means no funds were blocked, and the bid never enters the allotment process. Mandate requests expire, so an application made close to the deadline can fail on this alone.

Something here wrong or unclear? Tell us — we correct errors and say so on the page.