How airpay rebuilt the payment layer behind MHADA's housing lotteries: processing ₹880 crore for more than 2 lakh applicants in 180 days, with 50% faster processing, 30% fewer errors, and refunds issued within 15 days.
CLIENT: Maharashtra Housing and Area Development Authority (MHADA)
INDUSTRY: Government · Public Housing
SOLUTIONS: Payment Gateway · Real-Time Challan Generation · Automated Reconciliation · MIS Integration
₹880 Cr+Value processed in 180 days | 2 lakh+Transactions across lottery cycles | 50%Faster applicant payment processing | 30%Reduction in payment errors |
Figures reflect actual outcomes from MHADA's housing lottery deployment with airpay.
Why This Mattered
Some public payments only get one attempt. Once the window closes, it doesn't reopen: not for the applicant, and not for the institution that ran it. MHADA's housing lottery is exactly that kind of event.
For most applicants, a MHADA allotment is the realistic path to homeownership, and the lottery window is short and infrequent. In that window, the payment gateway isn't a background utility. It's infrastructure with real consequences for real people.
MHADA runs some of the most heavily subscribed housing lotteries in the country. At peak, its payment infrastructure must process a huge volume of applications, each with an application fee and a deposit, within a compressed window. That scale had outgrown manual reconciliation and delayed confirmations. airpay closed that gap.
This is what changed, and why it mattered.
01 · THE CONTEXT
Built for the Edge Cases, Not the Average Day
airpay is India's first integrated omnichannel payment platform, operating since 2012 across some of the country's most demanding payment environments. It wasn't built for the median transaction. It was built for high-volume, zero-tolerance scenarios, where a failed payment isn't simply a metric to optimise, but a consequence to prevent.
That describes a public housing lottery precisely. Four capabilities matter most in that environment, and they sit at the core of airpay's platform:
- Multiple payment modes. UPI, cards, net banking, wallets, and challans, so applicants already have the payment method they use.
- Real-time authorisation. Immediate confirmation the moment a payment completes.
- Automated reconciliation. Transaction matching that replaces the manual work every lottery used to leave behind.
- Regulatory standing. A full RBI Payment Aggregator licence spanning online, offline, and cross-border transactions.
For MHADA's lottery window, no single capability carried the load. All four had to hold together, under sustained pressure.
02 · THE CLIENT
MHADA: Housing at the Scale of a State
MHADA is Maharashtra's nodal housing agency and one of India's largest public housing institutions. Its mandate is broad: running housing lotteries across income groups, repairing and reconstructing Mumbai's ageing cessed buildings, and acting as special planning authority for projects across the state.
The scale of its lotteries isn't incidental. For a large share of applicants, MHADA allotment is the only realistic route to ownership, and the authority's standing rests on decades of reliably running that process. Every lottery puts a piece of that standing on the outcome of a very large number of individual transactions.
The stakes aren't evenly split between institution and applicant. A failed payment isn't a lost sale for MHADA. It's a citizen unable to complete an application that matters to them.
03 · THE CHALLENGE
Three Pressure Points, Zero Room for Error
Running payments for a public housing lottery isn't a scaled-up e-commerce checkout. The load is severe, the timelines are fixed, and every applicant deserves a result they can trust, because there's no room for a second attempt.
The challenge wasn't fixing something broken. It was building headroom into a system that worked well most of the time, so it held even when volumes peaked, and the margin for error disappeared.
Built for the Peak, Not the Average
Applications don't arrive evenly. They cluster in the final days before a deadline, tens of thousands of transactions compressed into a narrow window. That's the pattern the infrastructure was designed around from the start: headroom for the spike, not just the average day, so the system holds at the exact moment applicants are counting on it most.
Reconciliation, Simplified
Matching payments across modes at this volume called for more than manual checking. It called for a system that gives staff real-time payment tracking, freeing them from manual reconciliation after every lottery cycle.
Zero Margin for Error
In a housing lottery, a failed payment isn't recoverable. That's the standard the system was held to: it works the first time, every time, because an applicant who can't complete payment before the window closes doesn't get a second chance.
04 · THE AIRPAY SOLUTION
A Payment Layer Built Around the Lottery
airpay's gateway was deployed as the official payment layer on the MHADA portal. The real work wasn't bolting on a checkout. It was shaping the integration around how a housing lottery actually runs, end to end.
Instant Confirmation, Every Time
Applicants get immediate confirmation the moment a payment completes, with challans generated in real time and written directly into MHADA's MIS, recorded as they're paid, with reconciliation built into the payment itself.
Reconciliation, Automated
A consistent financial record closes out every cycle automatically, freeing staff to focus on the lottery itself rather than the paperwork behind it. This is the layer behind the 30% drop in payment errors.
One Flow, Every Applicant
UPI, cards, net banking, wallets, and challans, in a single flow. A public housing scheme serves every income group. Its payment options meet them where they are.
A Direct Line, Not a Queue
A dedicated airpay team stays connected through each lottery cycle, one-on-one, continuous, so support is immediate the moment it's needed, live, as the lottery runs.
The goal throughout: a payment experience that asks nothing of the applicant.
Refunds: The Outcome Most Applicants Actually Get
In every housing lottery, allotment is the exception. A returned deposit is the rule. Most applicants who apply won't get a house; they'll get their money back instead. That makes the refund, not the allotment, the moment that defines whether most people trust the process.
Most payment systems treat refunds as cleanup. airpay treated them as core infrastructure, built with the same rigor as collection, not bolted on after it.
- No request required. The moment lottery results are finalised, non-allotted applicants are identified straight from the reconciled transaction ledger, the same record built during collection. Nothing to file, nothing to claim, nothing to chase.
- Money returns the way it arrived. Refunds go back to the exact instrument used to pay (UPI, card, net banking, wallet, or challan account), so applicants never have to submit details or verify anything after the fact.
- 15 days, every cycle, no exceptions. Not an average across a mixed bag of outcomes: the entire non-allotted pool is refunded within 15 days of each lottery closing, a standard held consistently, cycle after cycle.
- Closed in the books, not just closed for the applicant. Every refund reconciles against its original transaction in MIS, giving MHADA one clean, auditable line of money in and money out, for every applicant, every cycle.
Why this is where trust was actually earned
Collection tests whether a system works. Refunds test whether an institution is fair. Anyone can build a checkout that takes money smoothly. Far fewer build the discipline to give it back, at scale, to people who didn't get what they came for, without delay, without friction, without making them ask twice.
That's most of MHADA's applicant base, in every single cycle. And they're the ones deciding whether to apply again next time. A refund that shows up on schedule, unprompted, is the clearest signal a public institution can send: the process is fair, even to those it didn't select.
The drop in support queries. The improved applicant feedback. Read the outcome numbers again: for most applicants, that isn't a payment story. It's a refund story.
The goal throughout, across every applicant: a payment experience that asks nothing of them, whether they were allotted a house or not.
05 · THE AIRPAY ADVANTAGE
Built for Public Scale. Proven Against It.
Public housing lotteries run under constraints most commercial gateways were never designed around: concentrated peak load, zero tolerance for failure, and an applicant base with no fallback option. airpay was built to meet exactly that standard. Here's how its capabilities compare against standard gateway deployments on the dimensions that mattered most to MHADA.
| Capability | airpay | Standard gateways |
|---|---|---|
| Peak Load Handling | 2 lakh+ transactions, no degradation | Needs bespoke scaling for spikes |
| Processing Speed | 50% faster | Degrades under load |
| Reconciliation | Fully automated, closed each cycle | Manual or semi-manual |
| Financial Accuracy | 30% fewer payment errors | 1 to 3% error rate, unmanaged |
| MIS Integration | Real-time, direct write-in | Manual entry or batch upload |
| Payment Instruments | UPI, cards, net banking, wallets, challans, one flow | Narrower, digital-first only |
| Support Model | Dedicated, live | Ticket-based, reactive |
| Regulatory Standing | Full RBI PA licence: online, offline, cross-border | Partial or limited |
Real-time authorisation, automated reconciliation, full-spectrum payment modes, and a full RBI PA licence: together, they gave MHADA a single partner for what would otherwise have needed multiple vendors and a much larger reconciliation team.
06 · THE OUTCOME
What MHADA Gained
Performance was measured against MHADA's core mandate: process a very large volume of applicants reliably, keep the books accurate, and return money owed to unsuccessful applicants without delay.
Scale, Sustained
- ₹880 crore+ in fees and deposits processed over 180 days, sustained across concurrent lottery cycles.
- 2 lakh+ transactions handled through peak load without degradation.
- 50% faster processing for applicant payments.
- 30% reduction in payment errors.
Time Back for Operations
- Manual reconciliation eliminated, replaced by automated matching at the close of every cycle.
- Challan payments recorded directly in MIS, closing the gap between payment and record.
- Operations staff freed up during the highest-pressure windows, to focus on the lottery itself.
Trust, Delivered
- Refunds of initial application money returned within 15 days of each lottery closing.
- Support queries declined, and applicant feedback improved: the clearest sign that the process worked exactly as it should, for every applicant who relied on it.
07 · THE BIGGER PICTURE
Raising the Standard for Public Payments
Public housing is a demanding, underserved case in the Indian payments landscape. Volumes are large, timelines are fixed, applicants span every income group and payment instrument, and the cost of failure falls on individuals with limited recourse. In most respects, it's a harder problem than commercial e-commerce, one that deserves infrastructure built to match its scale, not borrowed from an easier use case.
MHADA's deployment shows what's possible when it gets that infrastructure. The same principles behind India's most demanding private-sector payment environments (proactive scaling, real-time confirmation, automated reconciliation, direct support) apply to public systems without modification. What it takes is a partner willing to deploy them there, and to treat the institution's standing with the same care as the transaction.
For the applicants who came through MHADA's lotteries, the outcome was simple: payments completed, applications submitted, and money owed to unsuccessful applicants returned on schedule. The infrastructure did its job without drawing attention to itself, exactly the right outcome for a payment that carries the weight of a home.
A payment layer that held, quietly and completely, across two lakh applications and ₹880 crore in deposits, exactly when holding mattered most.
airpay: Full-stack financial infrastructure operating across India, UAE, and Tanzania.
Managing high-volume public payments where reliability isn't negotiable? Talk to the airpay team → airpay.co.in
