Understand GPCB before you apply
Everything a Gujarat company owner needs to know about consents, categories, siting and fees — written in plain language, kept consistent with the latest circulars.
CTE / NOC — Consent to Establish, explained
The NOC you need before construction — who needs it, the XGN process, document checklist, common rejection reasons.
CCA — Consolidated Consent & Authorisation (Consent to Operate)
Gujarat's consolidated consent to operate — Water Act + Air Act + Hazardous Waste in one, validity, renewals, ongoing obligations.
Red / Orange / Green / White / Blue — the CPCB category system
Red, Orange, Green, White & Blue explained — the Pollution Index, what each category means for your unit.
GPCB siting criteria — where you can and cannot build
Where you can and cannot build — distance rules from water bodies, villages, schools, and protected areas.
GPCB consent fees — how they are calculated
How GPCB consent fees scale with capital investment, plus the other compliance costs to budget.
GPCB FAQs — quick answers
Quick answers — NOC vs CTE, timelines, operating without consent, GIDC estates, and more.
Category Lookup (all sectors)
Search the CPCB 2025 classification — every sector with its category and pollution index.