Supreme Court balances ecology and public interest. Centre must pay heed
The Supreme Court struck down a 2021 Office Memorandum of the Union Ministry of Environment, Forest and Climate Change that had permitted ex-post facto (retrospective) environmental clearance for projects that began operating without prior clearance.
The Court held that the prior-clearance regime under the Environmental Impact Assessment (EIA) Notification, 2006 is mandatory and cannot be diluted or bypassed through an administrative Office Memorandum, since an OM is not a statutory notification.
Existing clearances already granted under the 2021 mechanism remain valid, but no fresh applications for post-facto clearance will be entertained going forward.
The Court clarified that the Central Government retains the power, in exceptional circumstances and in the public interest, to create a limited regularisation mechanism — but only through a statutory notification issued under its delegated legislative powers, not through an executive circular or memorandum.
EIA Notification, 2006 — The Prior-Clearance Regime
The Environmental Impact Assessment Notification, 2006 requires prior environmental clearance (EC) before any new project or the expansion/modernisation of an existing project listed in its Schedule can commence construction or operation. It replaced the earlier EIA Notification of 1994 and remains the principal instrument regulating project-level environmental scrutiny in India.
Key Details
- Issued under Section 3(1) and Section 3(2)(v) of the Environment (Protection) Act, 1986, read with Rule 5(3)(d) of the Environment (Protection) Rules, 1986
- Classifies projects into Category A (cleared by the Union Ministry via an Expert Appraisal Committee) and Category B (cleared by State/UT-level authorities, i.e., SEIAA, via a State Expert Appraisal Committee)
- Clearance process involves four stages: screening, scoping, public consultation, and appraisal
- "Ex-post facto" or retrospective clearance — granting EC to a project already built or operating without prior clearance — is not contemplated anywhere in the 2006 Notification
The verdict reaffirms that the 2006 Notification's prior-clearance requirement is a binding legal mandate, not a directory guideline that the executive can override through a circular.
Environment (Protection) Act, 1986 and Delegated Legislation
The Environment (Protection) Act, 1986 is the umbrella legislation enacted after the Bhopal Gas Tragedy (1984), giving the Central Government wide powers under Section 3 to take measures for protecting and improving environmental quality, including issuing statutory notifications like the EIA Notification. A key polity distinction underlying this case is between a "statutory notification" (delegated legislation, published in the Gazette under a specific statutory power, subject to environmental due process) and an "Office Memorandum" (an internal executive instruction with no independent law-making force).
Key Details
- Section 3(1): Central Government empowered to take "all such measures as it deems necessary" for protecting and improving the environment
- Section 3(2)(v): specifically empowers restriction of areas where industries, operations, or processes are carried out subject to safeguards
- An OM cannot amend, dilute, or create exceptions to a statutory notification — only another statutory notification (or law) can do so
- The 2021 OM was found to have created a "perpetual" ex-post facto clearance window without following the Gazette notification process required for substantive changes to the EIA regime
The Court's central legal reasoning was that only a statutory notification carries the force to modify the 2006 EIA regime; the 2021 OM, being executive instruction, could not legally create an ex-post facto clearance pathway.
Landmark Precedents on Ex-Post Facto Clearance
The 2026 ruling builds on a consistent line of Supreme Court precedent rejecting retrospective environmental clearance as a legal concept.
Key Details
- Common Cause v. Union of India (2017) — held that the concept of ex-post facto EC is "alien to environmental jurisprudence" and inconsistent with both the 1994 and 2006 EIA Notifications
- Alembic Pharmaceuticals Ltd. v. Rohit Prajapati (2020) — invalidated a 2002 Ministry circular that had allowed industrial units operating without EC to regularise their clearance retrospectively, reaffirming the precautionary principle
- Vanashakti v. Union of India — the current matter, which went through three rounds: an initial verdict restricting post-facto EC (2025), a recall of that order (2025), and the final 2026 judgment quashing the 2021 OM
- The 2026 ruling was delivered by a bench led by the Chief Justice of India, with two other judges
The judgment closes the administrative route the 2021 OM had reopened, restoring the position taken in Common Cause and Alembic Pharmaceuticals that prior clearance is non-negotiable except through a fresh statutory instrument.
- EIA Notification 2006 issued under Environment (Protection) Act, 1986, Section 3(1) and 3(2)(v)
- Common Cause v. Union of India: decided 2017
- Alembic Pharmaceuticals v. Rohit Prajapati: decided April 2020
- 2021 Office Memorandum on ex-post facto EC: quashed by the Supreme Court in the 2026 ruling
- Litigation timeline: initial restriction (2025) → recall (2025) → final verdict (2026)
- Category A projects: appraised by the Union Ministry; Category B: appraised by State/UT-level SEIAA