Two possession dates: the one you were told and the one on RERA
The date the builder gave the government is a matter of record. The one sales gave you is not.
When a project is registered under RERA, the promoter declares a completion date to the authority. That date is on the public record. Separately, a sales team tells buyers when they can expect possession. These two dates are often not the same, and the difference is instructive.
Which one is enforceable
The registered date. Verbal assurances, brochure timelines and WhatsApp messages from a sales executive carry almost no weight when a project runs late. The declared date is what the delay framework attaches to.
How to check it
Go to the relevant authority's portal. HRERA for Haryana, UP-RERA for Uttar Pradesh, and search the project by name or registration number. The registration details, declared completion date and, in many cases, quarterly progress filings are published.
This takes a few minutes and requires nothing but the project name.
What a gap tells you
If sales say eighteen months and the registered date is thirty-six, that is not necessarily fraud. It may be a conservative filing. But you should know which date you are being asked to plan around, and you should notice that the optimistic one is the one being used to sell to you.
What to do with it
Plan around the registered date. Treat anything earlier as upside rather than expectation. And when you review the agreement, check that the delay clause references a date that actually exists in the registration rather than a vaguely defined target, a penalty attached to an undefined date is not a penalty.