Consent to Establish vs Consent to Operate: CTE and CTO Compared
CTE is approval to build and CTO is approval to produce. See a side-by-side comparison, the correct filing sequence and a decision table for new, running and expanding units.

Plain-language guides on pollution & environment for Indian businesses: checklists, documents, fees and deadlines, reviewed against official sources.
CTE is approval to build and CTO is approval to produce. See a side-by-side comparison, the correct filing sequence and a decision table for new, running and expanding units.
CPCB's 2025 framework sorts 419 sectors into Red, Orange, Green, White and Blue. See the Pollution Index bands, consent validity, inspection frequency and how to find your category.
Tell us your activity and location. We'll map the approvals you need and the order to get them in.