India generates over 3.5 million tonnes of plastic waste annually, much of which remains uncollected or mismanaged. With rapid urbanization, booming e-commerce, and lifestyle shifts, the scale and complexity of plastic waste management are increasing. In response, the government has introduced several measures—including bans on Single-Use Plastics (SUPs) and promotion of alternatives. However, the success of these measures hinges on the availability of viable substitutes and robust systems to support them.

One such alternative gaining traction is compostable plastics, which are often promoted as an eco-friendly substitute to conventional plastics. But are they truly a solution—or simply shifting the problem elsewhere?

What Are Compostable Plastics?

Under the Plastic Waste Management Rules, compostable plastics are recognized as materials that biodegrade during composting into carbon dioxide, water, biomass, and inorganic compounds—without leaving behind toxic residues. To be legally marketed and used, these products must be certified under IS/ISO 17088 standards by the Central Pollution Control Board (CPCB).

These plastics are typically bio-based and plant-derived. For example:

• Polylactic Acid (PLA) is made from fermented starches like corn, sugarcane, or cassava.
• PHA is produced through bacterial fermentation of sugars or oils.
• Starch-based plastics come from crops such as potatoes and maize.

Their eco-friendly image, however, is only accurate when they are disposed of under the right conditions—typically in industrial composting environments.

Regulatory Push and E-Certification: A Snapshot

To ensure traceability and compliance, the CPCB has developed a centralized E-Certification portal through which manufacturers and sellers of compostable plastics must register and obtain certification. As of June 2025, the progress under this system shows:

• 267 E-certificates have been issued to manufacturers, with 102 applications pending manufacturer responses and 39 under review.
• 48 sellers have been certified, with 25 applications awaiting responses and 82 in process.

This indicates early but expanding engagement with the regulatory framework. However, low uptake and inconsistent participation highlight the need for stronger outreach, technical support, and enforcement mechanisms to drive sector-wide compliance.

Single-Use Plastic Ban and the Rise of Compostables

The ban on identified Single-Use Plastic items, which took effect nationally in July 2022, explicitly exempted certified compostable plastic products. As a result, there has been a surge in the manufacturing and marketing of compostable alternatives—especially for carry bags, cutlery, and packaging.

While this shift is encouraging, it brings a critical caveat: compostable plastics, if not processed under ideal conditions, behave similarly to conventional plastics—persisting in the environment and negating their intended benefit. This calls into question whether exempting them from the SUP ban without parallel investment in disposal infrastructure was a prudent move.

Disposal Infrastructure and End-of-Life Management

Unlike conventional plastics that can be mechanically recycled, compostable plastics require specialized end-of-life treatment. Within the Extended Producer Responsibility (EPR) framework, only two approved disposal pathways currently exist:

• Industrial Composting
• Co-processing in Cement Kilns

However, India’s infrastructure in this space is sparse and poorly distributed. Most compostable waste is generated post-consumption and dispersed across thousands of Urban Local Bodies (ULBs), while treatment facilities are centralized and few in number.

Current Disposal Facilities (as of June 2025)- as per the EPR portal of CPCB’s, the latest data is; 

• Industrial Composting Units: Only 3 registered, with 9 more under process. This is clearly inadequate to serve a country of India’s size.
• Co-processing Facilities: 96 cement kilns and 2 steel plants are registered for co-processing compostable plastics.
• Waste-to-Energy (WTE) Plants: 68 facilities have been approved for accepting compostable plastic waste.

Despite these numbers, the real issue lies in accessibility. The highly centralized nature of these units means most compostable waste never reaches them, especially from smaller towns and rural areas. This creates a major bottleneck in sustainable end-of-life management.

Challenges and Limitations

Several structural and operational barriers hinder the effective adoption of compostable plastics:

1. Poor Waste Segregation- Compostable plastics must be separated from general waste streams. Yet, segregation at source remains low across India, often leading to compostables ending up in landfills—where they do not degrade effectively.
2. Contamination of Recycling Streams- When mixed with conventional plastics, compostables can reduce the quality of recycled materials, increase sorting costs, and disrupt recycling operations.
3. Limited Processing Infrastructure- Industrial composting facilities are only available in a few urban centers (e.g., Pune, Bengaluru). The absence of decentralized composting severely restricts processing capacity.
4. Lack of Incentive for Informal Sector- Informal waste collectors—who handle a significant portion of India's plastic waste—prefer high-value items like PET and HDPE. Compostables, being lightweight and low-value, are often ignored.
5. Confusing Labels, Wrong Bins- Consumers often can’t tell compostable from conventional plastics. Vague labeling and low awareness lead to improper disposal and cross-contamination in recycling streams.
6. The Compostable Illusion- The word “compostable” misleads many into thinking nature will manage it. Without incentives or proper infrastructure, segregation rarely happens—defeating the material’s purpose.

Conclusion: A Fork in the Road

Compostable plastics hold real promise in the fight against plastic pollution, but they are not a silver bullet. Without strong segregation practices, localized composting infrastructure, policy alignment, and public education, these materials risk becoming part of the problem they were meant to solve.

To harness their true potential, India must take a systems-level approach—one that connects product design, certification, collection, processing, and public behavior into a cohesive, functioning loop. Only then can compostable plastics move from a sustainability myth to a real climate-conscious solution.