Post-facto (or ex post facto) environmental clearance means a clearance sought or granted after a project has already started or been built. The Supreme Court has repeatedly said that this runs against the basic idea of environmental law, most clearly in Alembic Pharmaceuticals v Rohit Prajapati (2020), which called ex post facto clearance alien to environmental jurisprudence. Over the years the Ministry has created special routes for such "violation" projects, and the validity of those routes has been tested in court. The Supreme Court's recent decisions on post-facto clearance have changed the position more than once, so anyone affected needs current advice before acting.
This guide explains what post-facto clearance is, how the law has moved, what is reasonably settled and what is not, and what project owners, buyers and neighbours should do now. It deliberately avoids telling you that a particular route is open or closed today, because that is exactly the point on which the law has been unstable. If a project near you started without EC, our page on projects without environmental clearance explains how to complain.
If a post-facto clearance has already been granted and you want to challenge it, the 30-day appeal route is set out on our page on challenging an environmental clearance in the NGT.
हिंदी में सारांश
पोस्ट-फैक्टो या एक्स पोस्ट फैक्टो पर्यावरण मंजूरी का मतलब है ऐसी मंजूरी जो प्रोजेक्ट का काम शुरू होने या पूरा होने के बाद मांगी या दी जाए। EIA अधिसूचना 2006 के अनुसार मंजूरी काम शुरू होने से पहले लेनी होती है। सुप्रीम कोर्ट ने कई बार ऐसी बाद की मंजूरी को गलत माना है, खासकर एलेम्बिक फार्मास्युटिकल्स बनाम रोहित प्रजापति (2020) में। पर्यावरण मंत्रालय ने समय-समय पर ऐसे उल्लंघन वाले प्रोजेक्ट के लिए विशेष रास्ते बनाए, जैसे 2017 की अधिसूचना, लेकिन उनकी वैधता अदालत में परखी गई। 2025 में सुप्रीम कोर्ट के फैसलों से स्थिति एक से ज्यादा बार बदली है, इसलिए कोई कदम उठाने से पहले ताजा कानूनी सलाह जरूरी है। बिना EC काम शुरू करना हर हाल में उल्लंघन है।
The essentials
Prior EC is the rule
The EIA Notification requires clearance before construction or land preparation begins.
Courts disfavour after-the-event EC
Alembic (2020) called ex post facto clearance alien to environmental jurisprudence.
The position has shifted
Recent Supreme Court decisions have changed the law on regularisation more than once.
Violation still costs
Penalties, compensation and remediation follow even where a project is allowed to continue.
Buyers are exposed too
Flat and unit buyers can face delays in completion, occupancy and finance.
Check before you act
No strategy should be chosen on old advice or on what worked for someone else years ago.
Is post-facto environmental clearance allowed in India?
The honest answer is that the legal position has been unsettled, and it has changed more than once recently. What is certain is the starting point: the EIA Notification 2006 requires prior environmental clearance for listed projects, before any construction work or land preparation other than securing the land. A project that starts first and applies later is in violation from the day work began.
The Supreme Court has treated the idea of clearing a project after the event with deep suspicion. In Alembic Pharmaceuticals v Rohit Prajapati (2020) it held that the concept of ex post facto environmental clearance is alien to environmental jurisprudence, and set aside a 2002 circular of the Ministry that had allowed such clearances. Yet in the same case, because the units had been running for years, it did not order them to close and imposed heavy environmental compensation instead. That tension, between a firm principle and a reluctance to demolish what already exists, runs through the whole subject.
Since then the Ministry's special procedures for violation cases have been tested before the Supreme Court, and the Supreme Court's recent decisions on post-facto clearance have changed the position more than once. So if someone tells you confidently that regularisation is simply available, or simply impossible, ask when they last checked.
Why the law treats after-the-event clearance as a problem
Environmental clearance is meant to be a decision taken before harm is done. The EIA studies the site as it is, the public is consulted on a project that does not yet exist, and the committee can refuse, relocate or reshape the project. Once a factory is built or a mine has been dug, most of those choices disappear. The forest has been cut, the wetland filled, the aquifer drawn down.
Allowing clearance afterwards also rewards those who break the rules. A developer who waits for clearance loses time and money; one who builds first and pays a penalty later gains an advantage. Courts have repeatedly pointed out that a general practice of post-facto clearance would undermine the precautionary principle, which section 20 of the NGT Act requires the tribunal to apply, and which the Supreme Court recognised in Vellore Citizens' Welfare Forum v Union of India (1996).
On the other side, regulators and some judges have recognised a hard reality: large numbers of projects were built without EC, some of them in ways that could be made environmentally acceptable, and demolishing all of them would itself cause harm and waste. Special procedures were the Ministry's attempt to bring such projects under scrutiny, with penalties and remediation, rather than leave them outside the system altogether.
How the law on post-facto clearance has moved
A simplified outline. Each step involved detailed conditions that are not reproduced here.
| Stage | What happened | Practical effect |
|---|---|---|
| 2002 circular | Ministry allowed clearance for projects that had already started (under the earlier EIA regime) | Later set aside by the Supreme Court in Alembic (2020) |
| EIA Notification 2006 | Prior EC required for listed projects | Starting without EC is a violation |
| 2017 notification | One-time window for violation projects to apply, with remediation and resource augmentation plans | Many projects applied; its validity was later questioned |
| Alembic (2020) | Supreme Court: ex post facto EC alien to environmental law | Strong principle, but closure not ordered for running units |
| 2021 procedure | Standard operating procedure for identifying and handling violation cases, with penalties | Used by regulators for violation cases; also challenged |
| 2025 decisions | Supreme Court decisions changed the position more than once | Current advice essential before any step |
What was the 2017 violation window?
In 2017 the Ministry issued a notification giving projects that had started without prior EC, or had expanded without approval, a one-time window to come forward. Such projects were appraised as violation cases. The proponent had to prepare a remediation plan for the damage caused and a natural and community resource augmentation plan, and give a bank guarantee linked to those plans. The state was also expected to take action for the violation itself.
Many projects used this window, and many others missed it. Later, the Ministry issued a standard operating procedure in 2021 for identifying and dealing with violation cases, including penalties based on the period of violation. Both the 2017 notification and the later procedure were challenged before the Supreme Court as allowing exactly what Alembic had condemned.
We are not setting out here what the most recent decisions held, because the position moved more than once and may move again. If your project applied under the 2017 window or the later procedure, or your EC was granted as a violation case, you need a fresh legal review of where that clearance stands today.
What is reasonably settled despite the changes
Some points have held steady through every shift. First, starting a listed project without prior EC is a violation, and nothing that happens later makes it lawful from the beginning. Any later clearance operates, at most, from the date it is granted.
Second, the regulators and the NGT can act against the violation regardless of what happens to any regularisation route. They can stop further work, direct closure under section 5 of the Environment (Protection) Act, impose penalties through the adjudicating officer, and order environmental compensation under the polluter pays principle. Our guide on environmental compensation explains how that is worked out.
Third, where a project is at a site where it could never have been permitted, for example inside a prohibited zone, no regularisation route has ever been understood to cure that. And fourth, where courts have allowed existing projects to continue, they have usually attached conditions, compensation and remediation. The idea that a project can simply pay a fee and carry on as before has never been the law.
Who is affected by the post-facto question, and how
- Project owners. Industries, mines and builders who started without EC face stop-work and closure risk, penalties, compensation and uncertainty over whether and how they can obtain clearance.
- Buyers of flats and units. A housing or commercial project without EC may face delays in completion and occupancy, and banks may hesitate to finance. Buyers have remedies against the builder, but the environmental problem sits with the project.
- Acquirers and lenders. Anyone buying a company or a plant inherits its clearance problems. A clearance obtained as a violation case needs particular scrutiny during environmental due diligence.
- Neighbours and villagers. Residents can object when a violation project is appraised, complain about ongoing work, and challenge any clearance granted.
- Regulators. SEIAAs, the Ministry and state boards have to handle pending violation applications in line with whatever the current judicial position is.
If your project started without EC: what to do now
This sequence is for owners of industries, mines and buildings that began work before obtaining prior EC.
Stop expanding the violation
Halt any further construction or expansion that needs EC. Every new floor, shed or pit makes the position worse and is the first thing a regulator or bench will look at.
Assemble the true timeline
Gather dates of land purchase, plan approval, start of work, completion, consent applications and any EC application, with photographs and records.
Check every other permission
Look at consents to establish and operate, groundwater permission, forest and wildlife clearances and building approvals. A missing EC usually comes with other gaps.
Get a current legal review
Have the position reviewed against the Supreme Court's most recent decisions before deciding whether and how to apply, because older advice may be wrong today.
Plan remediation
Work with a consultant on what damage has been done and how it can be remedied, because any route forward is likely to require it.
Engage the regulator honestly
Respond to notices on time, disclose the true position and present a realistic plan. Concealment turns a difficult case into a hopeless one.
Prepare for scrutiny
Expect residents to object and possibly to approach the NGT. Keep your compliance records clean from now on.
Housing and commercial projects built without EC
Building projects are where the post-facto question touches ordinary people most. A group housing project of 20,000 sq m built-up area or more needs prior EC, generally from the SEIAA. Some developers start the basement while the application is pending, expecting the EC to follow. When it does not, or when objections are raised, flat buyers find their project stuck.
If you are a buyer, ask the builder for the EC letter and check that its date is before construction began. Check the consent to establish and operate for the project's STP and DG sets. Our guide on environmental clearance for building projects explains what to look for. Where the EC is missing or came late, your remedies against the builder lie mainly in RERA and the consumer forums; the environmental route is about the project itself.
If you are a developer who started without EC, the stakes include not only penalties but completion and occupancy, and the reputational cost with buyers. Our page on EC for building and construction projects covers the process, and the step-by-step plan above applies to you as well.
Checks for buyers, tenants and acquirers
Before you buy a flat, take a large unit on lease, lend to a project or acquire a plant, check these points about its clearance.
- Is there an EC letter, and is its date earlier than the start of construction or operation?
- Was the EC granted as a violation case or under a special procedure? If so, has its current status been reviewed?
- Does the built-up area or capacity on the ground match what the EC allows?
- Are the consents to establish and operate from the state board in place and in date?
- Are the six-monthly EC compliance reports filed and do they match what you can see on site?
- Is there any pending notice, NGT case or court case concerning the project's clearances?
- Does the seller or builder give a written assurance and indemnity on environmental approvals?
How the NGT deals with projects already built without EC
When a project that started without EC comes before the NGT, the tribunal usually begins by finding out the facts: when work started, what exists on the ground, what damage has been done and what permissions are missing. It often asks a joint committee of the state board, the regional office of the Ministry or the SEIAA, and the District Magistrate to inspect and report. That report, and how the parties respond to it, shapes everything that follows.
The tribunal then weighs the principle against the reality. It applies the precautionary and polluter pays principles under section 20 of the NGT Act, and it is well aware of what the Supreme Court has said about after-the-event clearance. Typical directions include stopping further work until the legal position is resolved, assessing environmental compensation for the period of violation, requiring restoration of damaged features such as water bodies or green areas, and directing the regulators to deal with the violation in accordance with law. Closure or demolition remains possible, especially where the site was never permissible or the harm cannot be controlled.
One practical point stands out. The tribunal tends to be harder on a proponent that kept building after notices were issued, or that gave misleading accounts of when work began, than on one that stopped, disclosed and started remediation. Conduct after the violation is discovered matters almost as much as the violation itself.
Objecting when a project seeks clearance after the event
If you learn that a project near you is seeking clearance after already building or operating, you have several openings. While the application is pending, write to the appraisal committee and the regulator with what you know: when work started, what damage was done, what harm continues. Ask that the violation be dealt with on its own terms and that any appraisal take the actual damage into account.
If clearance is granted, it can be challenged before the NGT under section 16 within 30 days of communication, with up to 60 more days for sufficient cause. The grounds will depend on the law at the time, which is another reason to get advice quickly. If no clearance is granted but the project keeps operating, an original application under section 14 within six months may be the right route.
Advocate B.K. Singh's advice to residents in these situations is to put the timeline on record early, with dated photographs and satellite images showing when work began. Whatever the current legal position, the question of when a project started without clearance is always central, and it is far easier to prove at the time than years later.
Mistakes we see around post-facto clearance
The most common is relying on a past outcome: someone else's project was regularised years ago, so ours will be too. The legal basis for that earlier outcome may no longer exist. The second is applying under a route without checking whether it is currently available, and then treating the pending application as a shield. A pending application is not permission to operate.
Owners also tend to forget that consent from the state board is a separate requirement. Running without consent brings its own penalties, explained in our guide on penalty for operating without consent, and boards often refuse consent where EC is missing.
Residents, for their part, sometimes assume that because a clearance was granted after the event, it must be invalid and they can wait. That is risky. An EC that is not challenged within the time limit becomes very hard to attack, whatever its origins.
A warehouse park built ahead of its clearance
Here's a made-up example. A logistics company builds a warehouse park of about 60,000 sq m built-up area on the edge of a town. Its consultant had told it that warehouses were simple structures and that the EC could be obtained after construction. The park is completed and partly let before anyone checks. A tenant's bank, during its due diligence, asks for the EC. There is none.
The company's first instinct is to apply immediately and quietly. On advice, it does something different. It stops a planned second phase, puts together a timeline of construction with dates, and finds that it also lacks groundwater permission for two borewells and that its consent to operate covers a smaller area than was built. It obtains a current legal review of the post-facto position before deciding how to approach the SEIAA, and engages a consultant to prepare a remediation and rainwater recharge plan.
Meanwhile, a nearby village objects to the trucks and the borewells. Whatever route is available at the time, the company's honest timeline and remediation plan put it in a better position than concealment would have. Whether such a project could be cleared, on what terms, and with what penalty, would depend entirely on the law at the date of decision, which is the central lesson of this subject.
Further reading
If an existing EC project grew beyond its approval, the issues overlap but are not identical; see our guide on expansion without EC amendment. If a project with a violation history is changing hands, read about the transfer of environmental clearance. For projects that have an EC but ignore its terms, see EC conditions not followed.
Frequently Asked Questions
What does post-facto environmental clearance mean?
It means an environmental clearance sought or granted after the project has already started construction or operation, instead of before, as the EIA Notification requires.
Is ex post facto EC legal in India?
The Supreme Court has called it alien to environmental jurisprudence, especially in Alembic Pharmaceuticals (2020). Special regularisation routes have existed, but recent decisions have changed the position more than once, so current advice is essential.
What did the Supreme Court decide in Alembic Pharmaceuticals v Rohit Prajapati?
It held that ex post facto environmental clearance is alien to environmental law and set aside a 2002 Ministry circular allowing it, but imposed compensation instead of closing the units that were already running.
What was the 2017 violation notification?
A Ministry notification that gave projects which had started or expanded without EC a one-time window to apply as violation cases, with remediation and resource augmentation plans and a bank guarantee.
Does a post-facto EC make the project legal from the start?
No. Starting without prior EC remains a violation. Any later clearance operates at most from the date it is granted, and the earlier violation can still be penalised.
Can a project that started without EC still be penalised if it later gets EC?
Yes. Penalties, environmental compensation and remediation for the period of violation can be imposed regardless of a later clearance.
Can a builder get EC after the building is complete?
That depends on the law at the time and the facts, and the position has been unstable. A buyer should insist on seeing an EC dated before construction began.
Can residents challenge a post-facto EC?
Yes. An EC, including one granted after the event, can be appealed before the NGT under section 16 within 30 days of communication, plus up to 60 days for sufficient cause.
Is a pending EC application enough to keep operating?
No. A pending application is not permission. Operating without EC, and often without consent from the state board, continues the violation.
Why does the law on post-facto EC keep changing?
Courts are balancing a firm principle that clearance must come first against the practical harm of closing or demolishing projects that already exist, and the Ministry's procedures have been challenged repeatedly.
What should a company do if it discovers it never had an EC?
Stop further expansion, assemble the true timeline, check all other permissions, get a current legal review, plan remediation and deal with the regulator openly.
Can the NGT order demolition of a project built without EC?
It can, particularly where the site was never permissible or the harm cannot be controlled, but it more often stops further work, orders compensation and requires restoration while the regulators decide on the violation.
About the author
Advocate B.K. Singh, Founder & Principal Advocate, MCA, LL.B., LL.M.
Advocate B.K. Singh has practised for more than twenty years before the Supreme Court, the High Courts and the National Green Tribunal, and leads the environmental practice from offices in Dwarka (New Delhi) and Vaishali (Ghaziabad) with Advocate Sadhna Singh. Read his profile.
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