The Central Pollution Control Board (CPCB) has classified industries into red, orange, green, and white categories based on their pollution index. This categorisation was made to promote cleaner technologies and less polluting industries under the regulatory framework provided by India’s environmental laws. This classification puts a lesser compliance burden on environmental clearance and consent for the less polluting industries. In 2016, a white category was introduced, including less or non-polluting industries.
Industries with a pollution index of ≤20 are classified as white-category industries, which are considered environmentally non-polluting. The pollution index is determined based on factors such as waste generation, water consumption, air emissions, and raw material usage. The white-category includes industries with minimal environmental impact, such as solar power generation units, scientific research and development laboratories, assembly units for electrical and electronic items, handloom and weaving units, and non-plastic packaging industries. As of 2024, more than 40 industries are classified under the white category. Key sectors include solar power units, electronic assembly, and handloom and weaving operations. Collectively, these industries account for less than 5% of pollution-intensive operations in India, highlighting their low environmental footprint.
Industries under the white category benefit from significant cost reductions in regulatory compliance. On average, businesses report a 20-25% reduction in compliance expenses due to exemptions provided to this classification. States like Maharashtra, Gujarat, and Tamil Nadu are leading the adoption of white-category industry practices. Together, they host over 10,000 operational units under this classification, reflecting a strong commitment to environmentally sustainable industrial practices.
Legislative Framework for White-Category Industries
Water (Prevention and Control of Pollution) Act, 1974- The primary objective of the Water (Prevention and Control of Pollution) Act is to prevent and control water pollution caused by industrial activities. Under Section 25 of the Act, industries are mandated to obtain Consent
to Establish (CTE) and Consent to Operate (CTO) if they discharge effluents into water bodies. However, white-category industries, recognized for their negligible effluent generation, are exempt from these requirements, significantly simplifying their compliance obligations.
Air (Prevention and Control of Pollution) Act, 1981- The Air (Prevention and Control of Pollution) Act aims to prevent and control air pollution caused by industrial emissions. Under Section 21 of the Act, industries are required to obtain permission for releasing emissions into the atmosphere. However, white-category industries, due to their minimal or negligible air emissions, are exempt from this requirement, easing their regulatory compliance process.
Environment (Protection) Act, 1986- The primary goal of the Air (Prevention and Control of Pollution) Act is to regulate and mitigate air pollution resulting from industrial activities. As per Section 21 of the Act, industries must obtain prior permission for any emissions released into the atmosphere. However, white-category industries are exempt from this requirement due to their negligible contribution to air pollution, thereby reducing their compliance burden.
Hazardous and Other Wastes (Management and Transboundary Movement) Rules, 2016- The objective of the Hazardous and Other Wastes (Management and Transboundary Movement) Rules is to regulate the generation, storage, and disposal of hazardous waste to ensure environmental safety. White-category industries, which do not generate hazardous waste, are excluded from compliance under these rules, further simplifying their regulatory requirements.
EIA Notification, 2006- The purpose of the Environmental Impact Assessment (EIA) Notification is to mandate environmental impact assessments for specific projects to evaluate their potential effects on the environment. However, white-category industries are exempt from conducting EIAs due to their minimal environmental impact, reducing their compliance obligations.
The Factories Act, 1948 (as amended)- The Factories Act, 1948, primarily focuses on establishing safety, health, and welfare standards for industrial workers rather than directly addressing pollution control. For white-category industries, the emphasis is on maintaining operational safety, as they are not subject to additional environmental compliance requirements due to their minimal environmental impact.
Key Compliance Highlights
1. Exemption from Pollution Control Permissions- White-category industries are not required to obtain CTE and CTO from State Pollution Control Boards (SPCBs).
2. Self-Declaration Mechanism- Industries may submit a self-declaration affirming compliance with the criteria of the white category.
3. Minimal Reporting Requirements- Industries are exempt from submitting detailed compliance reports regarding emissions and waste disposal.
4. Exclusion from Environmental Impact Assessment (EIA)- White-category industries are not obligated to conduct EIAs as per the EIA Notification, 2006.
Challenges in Implementation
One of the significant challenges in implementing the white-category classification is the lack of awareness among businesses. Many companies are unaware that they qualify as white-category industries, which could exempt them from certain compliance requirements, resulting in unnecessary regulatory burdens.
Additionally, variations in state-level implementation pose another obstacle. State Pollution Control Boards (SPCBs) often interpret and apply central guidelines differently, leading to inconsistencies in classification and enforcement across states.
Moreover, the absence of robust monitoring mechanisms further complicates adherence to white-category standards. Without periodic checks, it becomes challenging to ensure that industries maintain the required environmental benchmarks, potentially undermining the goals of the classification system
1. Awareness regarding classification- Many businesses are not aware of their status of being white-category companies which could mean lesser compliance requirements for them.
2. Variations in State-Level Implementation- Different interpretation and application of central guidelines by SPCBs can create inconsistencies.
3. Monitoring Mechanisms- In case of absence of periodic checks, ensuring industries’ adherence to the standards of white category can become difficult.
Recent Update
In November 2024, the Ministry of Environment, Forest and Climate Change introduced updates to the classification of white-category industries which include:
- The introduction of digital portals for self-declaration filing.
- Expansion of the white-category list to include additional industries, such as biotechnology R&D companies.
The classification of white-category industries is an administrative mechanism under India’s environmental compliance framework to simplify processes for non-polluting industries. It exempts eligible industries from pollution-related consents while ensuring adherence to environmental standards. The CPCB and SPCBs oversee its implementation, guided by the relevant legislative framework.