Consent to Establish (CTE) — the "NOC"

Consent to Establish (CTE) — often called the NOC (No Objection Certificate) — is the permission you need from the Gujarat Pollution Control Board (GPCB) before you construct or install anything for a new industrial unit, or before expanding/modifying an existing one. It is issued under the Water (Prevention & Control of Pollution) Act 1974 and the Air (Prevention & Control of Pollution) Act 1981.

Who needs it

Every industrial unit in the Red, Orange or Green category needs CTE before starting construction. White category units (practically non-polluting) are exempt — they only file an intimation/registration with GPCB.

Where to apply

Applications are filed online on GPCB's XGN portal (xgn.gpcb.gov.in) — "eXtended Green Node", developed with NIC Gandhinagar. The unit owner registers once, gets login credentials, and files all consent applications, returns and renewals there.

Typical process

1. Determine your category (Red/Orange/Green/White) from the CPCB sector classification — this drives the scrutiny level and fees.
2. Register on XGN and fill the CTE application: products, capacities, manufacturing process, raw materials, water source and consumption, wastewater quantity and treatment, fuel and boiler details, air emissions and control equipment, waste storage and disposal.
3. Upload documents (see checklist below) and pay the fee (scales with capital investment).
4. Site scrutiny — GPCB regional office may inspect the site or seek clarifications; siting criteria (distances from water bodies, residential areas, schools etc.) are checked at this stage.
5. Grant of CTE — typically with conditions. Construction may then begin. CTE validity is generally up to 5 years (extendable) to commission the project.

Document checklist (typical)

• Proof of land possession: sale/lease deed, index-2, registered rent agreement
• NA (non-agricultural) permission or GIDC plot allotment letter
• Site layout plan with built-up area, green belt, surroundings
• Detailed project report: process flow diagram, raw materials, products with capacities
• Water budget: source, consumption, wastewater generation, treatment scheme (ETP/STP design)
• Air: fuel details, boiler/furnace/DG specifications, stack heights, APC equipment (scrubber, bag filter, ESP)
• Hazardous waste: types, quantities, storage and disposal arrangements (TSDF membership where needed)
• Constitution documents: partnership deed / MOA / incorporation certificate
• For Red category projects covered by the EIA Notification 2006: Environmental Clearance (EC) must be obtained before CTE

Common rejection reasons

• Site violates siting criteria (too close to a river/lake, village, school or sanctuary)
• Activity falls in a prohibited/critically polluted area or restricted GIDC estate
• Inadequate effluent treatment for the proposed discharge
• Missing land documents or NA permission

CTE first, construction second. Building before CTE is a violation that can lead to closure directions and legal action under the Water and Air Acts.