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Tue, Dec 30 2025
Raju Karn
Manufacturing plays a major role in India’s economic growth. But with great production comes great responsibility — especially towards the environment. As India tightens environmental regulations, every manufacturing unit must comply with multiple laws, permits, and clearances to operate legally and sustainably.In this 2025 guide, we’ll break down the full process of environmental compliance for manufacturing units in India, covering all certifications, procedures, and key terms — in a simple, step-by-step format.
Environmental compliance means following the environmental laws, rules, and regulations set by the Central Pollution Control Board (CPCB) and State Pollution Control Boards (SPCBs). It includes obtaining necessary approvals like:- NOC (No Objection Certificate)- Consent to Establish (CTE)- Consent to Operate (CTO)- Environmental Clearance (EC)- Pollution Control Certificates- Waste Management Compliance
Non-compliance can result in factory shutdowns, penalties, or legal actions.
- Legal Operation: Without required clearances, your factory is illegal.- Avoid Penalties: Fines can reach lakhs or crores for violations.- Brand Image: Green compliance enhances your brand’s credibility.- Export Requirements: Many international buyers check for compliance.- Long-Term Savings: Waste management and energy efficiency reduce operational costs.
- Required for large-scale or high-pollution industries.- Identifies how your factory will affect the environment.
Industries under the red or orange category need EC before setup.- Submit application to the Ministry of Environment, Forest and Climate Change (MoEFCC).- Clearance is based on EIA report.
This includes two key stages:
a) Consent to Establish (CTE)
Required before starting construction or setup.
b) Consent to Operate (CTO)
Required before starting operations.
Both are granted by the respective SPCB (State Pollution Control Board).
Documents required for pollution control certificate in India:
- Site plan- Project report- Manufacturing process flowchart- Air & water pollution details- ETP/STP details- Raw materials list- DG set details- Previous consents (if any)
Depending on your industry, you may need:- Effluent Treatment Plants (ETPs)- Sewage Treatment Plants (STPs)- Scrubbers / Filters- Dust Collectors- Noise Control Equipment
These must match the standards of CPCB or SPCB.
If your factory generates toxic waste:- Maintain proper storage- Register with the PCB for hazardous waste handling- Partner with an authorized recycler
Factories must submit:- Monthly / Quarterly waste disposal data- Annual Environment Statement (Form V)- Monitoring reports from certified labs
A professional Environmental Audit checks if your plant follows the norms. Getting ISO 14001:2015 certified improves:- Compliance scores- International credibility- Operational efficiency
At PSR Compliance, we’ve assisted 500+ factories across India in getting:- Pollution Board NOCs- CTE & CTO clearances- Hazardous Waste authorizations- ISO 14001 Certification- Environmental Audit Reports
✅ We offer end-to-end guidance
✅ We save your time and reduce legal risks
✅ 100% compliance, 0% stress
Q1. What are the environmental laws for manufacturing units in India?India follows the Environment Protection Act, Water Act, Air Act, and several waste management rules to regulate factory pollution and waste.
Q2. How to apply for environmental clearance for a factory?You must submit an EIA report and apply online via the MoEFCC portal. It may involve public hearing and expert appraisal committee reviews.
Q3. Is NOC from PCB mandatory for manufacturing units?Yes, all factories must get Consent to Establish (CTE) and Consent to Operate (CTO) from the State Pollution Control Board.
Q4. What is the difference between CTE and CTO?CTE is required before construction.CTO is needed before you start factory operations.
Q5. How can I get a pollution control certificate for my factory?You need to apply on the respective SPCB portal with detailed documents, pay the fee, and pass site inspections.