June 3, 2026: ASBA is the system that blocks your IPO application money in your own bank account instead of taking it upfront. It stands for Application Supported by Blocked Amount. When you apply, your bank marks a lien on the exact amount, you keep earning interest on it while the money leaves your account only when you actually get allotment.
Author: Aadarsh Patel | EQMint | EQ Originals
It’s the single biggest safety upgrade Indian retail investors have received in the last decade. And since 2016, it’s mandatory. Every IPO application in India runs on ASBA, whether you apply through net banking or through a UPI app.
So the real question is how it works, why it protects you and the few mistakes that still get ASBA applications rejected.
what is ASBA mean in an IPO?
ASBA stands for Application Supported by Blocked Amount. It’s an instruction you give your bank to block the IPO application money rather than debit it.
The money stays in your account. The bank just marks it as reserved. You can see the balance, but you can’t spend or withdraw the blocked portion until the IPO allotment is decided.
That one design choice fixes the biggest problem retail investors used to face. Before ASBA, your money left your account the moment you applied, then came back weeks later as a refund if you didn’t get shares. Refund delays, lost cheques and missing interest were routine complaints.
SEBI made ASBA mandatory for all public issues in 2016. By its own data, over 98% of applications moved to the system almost immediately and complaints about delayed refunds dropped 87% in the first year.
How does ASBA actually work?
Four steps, the same whether you use net banking or UPI.
Application. You fill in your IPO bid through your bank’s net banking or your broker’s app, entering the lot size and demat details.
The block. Your bank places a lien on the application amount. The money is reserved, visible in your balance, but locked.
Interest. Because the money is still technically in your savings account, your bank keeps paying you the regular savings interest on it right up to allotment.
Settlement. If you get shares, the exact allotted amount is debited and the rest is released. If you don’t get shares, the block is simply lifted and the full amount becomes spendable again, usually within a day or two.
No cheques. No demand drafts. No refund waiting. The whole thing happens between you, your bank and the stock exchange.
Is UPI the same as ASBA?
This trips up a lot of first time investors. Yes, UPI is a form of ASBA.
When you apply through a broker app and approve that UPI mandate, the mandate is doing exactly what ASBA does. It blocks the money in your linked bank account. The industry even calls it UPI ASBA.
So there are really two ways to run an ASBA application.
UPI route. You apply through a broker app (Zerodha, Groww, Upstox, Angel One), enter your UPI ID and approve the mandate in your UPI app. Works for application amounts up to 5 lakh. Most retail investors use this.
Net banking route. You log into your bank’s net banking, go to the IPO or ASBA section, enter your demat details and submit. No mandate approval needed. Preferred for larger applications and by investors who’ve had UPI mandate timeouts before.
Both block the funds. Both let the money keep earning interest. The end result is identical.
Why you should always use ASBA
Take a clear position here. No IPO application in India skips ASBA. Even in a world where it were optional, ASBA would still be the right choice. Five concrete reasons.
Your money stays in your account. Until allotment, the funds sit in your own bank account under your control, parked with you rather than handed to the company.
You keep earning interest. The blocked amount continues to earn savings account interest until the moment it’s debited for allotted shares.
No refund delays. Unsuccessful applicants don’t wait for a refund. The block is just released. The money is instantly usable again.
It’s free. Banks registered as Self Certified Syndicate Banks (SCSBs) provide the ASBA facility at no charge.
You can revise or withdraw your bid. As long as the IPO is still open, you can change or cancel your application and the bank unblocks the money within a few hours.
What is an SCSB?
SCSB stands for Self Certified Syndicate Bank. These are the banks SEBI has authorised to offer the ASBA facility.
Essentially every major Indian bank is on the list. State Bank of India, HDFC, ICICI, Axis, Kotak Mahindra, Bank of Baroda, Punjab National Bank and dozens more. SEBI publishes the full, updated list on its website.
The detail that matters for you. If you apply through UPI, the bank behind your UPI ID must be on the SCSB list and your chosen UPI app must be on SEBI’s approved list of apps for public issues. Using an unlisted handle is a common reason applications fail at the block stage.
The mistakes that still get ASBA applications rejected
ASBA removed the refund problem. It didn’t remove user error. Four traps to avoid.
Insufficient funds at block time. The application amount must be available when the bank tries to block it. If a cheque clears or an autodebit hits and your balance drops below the blocked amount, the application is rejected.
Missing the UPI mandate window. On the UPI route, the mandate must be approved by 5 PM. Miss the window and the application is cancelled. You’ll have to reapply from scratch.
Multiple applications on one PAN. SEBI strictly allows only one application per PAN per IPO across the whole system. Apply once through SBI and again through HDFC, then watch both get rejected. Repeat offenders can get flagged.
PAN or demat mismatch. The PAN on your bank account, your demat account and your application must match exactly. Wrong DP ID or Client ID gets the application thrown out at verification.
what is ASBA for SME IPOs and NRIs
Two quick notes for specific cases.
SME IPOs. ASBA works exactly the same way. The only difference is the larger minimum lot size in SME issues, which means a bigger amount gets blocked.
NRIs. Non resident Indians can use ASBA through an NRE or NRO account, as long as that account is with an SCSB bank. The process mirrors the resident flow.
Quick reference, the two ASBA routes
| Route | How you apply | Best for |
| UPI ASBA | Broker app, approve UPI mandate | Applications up to 5 lakh, most retail investors |
| Net banking ASBA | Bank net banking, IPO section | Larger applications, avoiding mandate timeouts |
FAQ
What is ASBA in an IPO?
ASBA stands for Application Supported by Blocked Amount. It’s a system where your IPO application money is blocked in your bank account rather than debited upfront. The money is debited only if you get allotment.
Is ASBA mandatory for IPO applications?
Yes. SEBI made ASBA mandatory for all public issues in 2016, including mainboard IPOs, SME IPOs and rights issues. Every application now runs on ASBA.
Is UPI a form of ASBA?
Yes. When you apply through a broker app and approve the UPI mandate, the mandate blocks the money in your bank account exactly the way ASBA does. It’s often called UPI ASBA.
Do you earn interest on the blocked ASBA amount?
Yes. Because the money stays in your savings account, the bank continues paying you regular savings interest on the blocked amount until it’s debited for allotment.
Does ASBA cost anything?
No. Banks registered as Self Certified Syndicate Banks (SCSBs) provide the ASBA facility free of charge.
What is the UPI limit for ASBA applications?
The IPO application limit on UPI is 5 lakh per transaction, available only to retail individual investors. For larger amounts, use the net banking ASBA route.
Can you withdraw an ASBA bid?
Yes. You can revise or withdraw your bid any time before the IPO closes. Once withdrawn, the bank typically unblocks the money within a few hours.
What happens to your money if you don’t get allotment?
The block is simply lifted. The full amount becomes spendable again, usually within a day or two of the allotment announcement. No refund process is involved.
Can NRIs use ASBA?
Yes. NRIs can apply through ASBA using an NRE or NRO account, provided the account is held with an SCSB bank.
EQMint is not a SEBI registered investment adviser. This article is for informational purposes only and is not investment advice.
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