The stages after a booking, what the RERA Act asks of a builder, how to run collections, and how to keep buyers informed.
01At a glance
Real estate post-sales is everything a builder does for a buyer after the booking: the allotment letter, the registered agreement for sale, home loan paperwork, payment demands and receipts, construction updates, possession after the occupancy certificate, the conveyance deed, defect repairs and handing the building over to the association of allottees. For a RERA-registered project it is governed largely by the Real Estate (Regulation and Development) Act, 2016 (RERA) and your state’s RERA rules. Friction in this period usually comes from three gaps: a demand the buyer cannot verify, a document nobody can find, and a buyer who has not heard from the builder in months.
Updated . Rules as of October 2026 — check your state RERA rules and your lawyer/CA.
02The stages
This guide splits post-sales into ten stages. The order is fairly fixed; the timing depends on your agreement, your lenders and your state.
| Stage | What the buyer gets | What the builder must track | Typical documents |
|---|---|---|---|
| Booking / application | A unit held in their name | The 10% cap before a registered agreement; KYC; the unit taken off sale | Application form, booking receipt, PAN and address proof |
| Allotment letter | Confirmation of unit, price and payment plan | Sanctioned plans and the stage-wise completion schedule shared with the buyer | Allotment letter, cost sheet, payment schedule |
| Agreement for sale | A registered agreement fixing price, payment dates, possession date and default interest | Registration date; stamp duty and registration charges (state-specific) | Registered agreement, stamp duty and registration receipts |
| Home loan and tripartite agreement | Loan disbursements paid to the builder | Which lender, which instalments it pays, what it needs for each disbursement | Sanction letter, tripartite agreement where the lender asks for one |
| Demands and collections | A demand for each instalment, then a receipt | Due dates, amounts paid, GST, TDS, balance, delay interest | Demand letters, numbered receipts, statement of account |
| Construction updates | Evidence that the stage they are paying for was reached | The date each stage was reached, with photographs and certificates | Stage certificates, dated site photographs |
| Possession / handover | Keys, after the occupancy certificate | Occupancy or completion certificate, final dues, snag list closed | Occupancy / completion certificate, possession letter, handover checklist |
| Sale deed (conveyance) | Registered title to the unit | Deed execution date, stamp duty, the buyer’s share of registration charges | Registered conveyance deed |
| Defect liability | Free repairs for defects reported within five years of possession | Each defect, the date reported and the date fixed | Complaint or ticket record, repair sign-off |
| Maintenance and association handover | An association that takes over common areas and maintenance | Formation of the association; documents, plans and common areas handed over | Association registration, handover record |
03RERA duties
These central RERA provisions apply after a booking. Some apply only “in the absence of any local law”, and states add their own rules, so treat this as a checklist for your legal team, not as advice.
Rules as of October 2026 — check your state RERA rules and your lawyer/CA.
[01] Rule
[02] Rule
[03] Rule
[04] Rule
[05] Rule
[06] Rule
[07] Rule
04Collections
Collections take most of a post-sales team’s time, and most buyer complaints start there. Five habits keep them clean.
[01] Habit
[02] Habit
[03] Habit
[04] Habit
[05] Habit
GST and TDS rates on instalments, with sources, are in our guide to construction-linked payment plans. Read the CLP guide.
05Keeping buyers informed
Keeping buyers informed is the cheapest way to reduce post-sales workload. Many calls to a CRM desk ask how far the building has got, where a document is, or how much is owed — each answerable in advance.
Dated photographs and a stage-by-stage timeline turn a demand letter from a surprise into a confirmation.
Allotment letter, agreement, receipts and statement should be available whenever the buyer needs them — usually when their bank asks, at short notice.
A ticket has an owner, a date and a history; a phone call has none.
From the day sales hands over, the buyer should know who owns their account. A handover in a WhatsApp message is lost the first time someone changes jobs.
06Mistakes
When registration slips, early instalments can quietly cross the section 13(1) limit. Track the total received, not just the booking amount.
Missing TDS and unreceipted bank disbursements put the statement out of step with the buyer’s records.
Charging buyers a higher delay rate than you would pay them conflicts with section 2(za).
The five-year defect period and the thirty-day repair window both need dates on record, not phone calls.
The conveyance deed, the association handover and defect repairs all come after the keys.
07In ZevroCRM
ZevroCRM continues past “deal won”. Everything below is in every plan unless marked otherwise.
08Post-sales
Short answers. Check the specifics against your agreement, your state RERA rules and your lawyer or CA.
Post-sales in real estate is the work a builder does for a buyer after the booking — from the allotment letter and agreement, through demands and receipts, to possession, the conveyance deed and defect repairs.
Under section 17(1) of the RERA Act, 2016, where no local law sets a period, a builder must execute the conveyance deed within three months of the occupancy certificate. A state law may set a different period.
A buyer must take physical possession within two months of the occupancy certificate being issued, under section 19(10) of the RERA Act, 2016.
A builder is liable for structural and workmanship defects reported within five years of possession, under section 14(3) of the RERA Act, 2016, and must fix them free within thirty days or compensate the buyer. This continues after the conveyance deed.
A builder can cancel an allotment only in terms of the agreement for sale, under section 11(5) of the RERA Act, 2016. A buyer aggrieved by a unilateral cancellation without sufficient cause can approach the RERA authority.
The association of allottees is formed under each state’s laws; where they are silent, section 11(4)(e) of the RERA Act, 2016 requires it within three months of a majority of units being booked.
Guide: construction-linked payment plans · Still unsure whether it fits how you sell? Book a demo or write to hello@zevrocrm.com.
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