Mahe CRZ
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Overview
The Mahe CRZ layer plots the Coastal Regulation Zone footprint across the smallest district in India by land area, just 8.69 sq km, with only 1 km of seafront on the Arabian Sea. It mirrors the Coastal Zone Management Plan prepared for Mahe by the Puducherry Coastal Zone Management Authority (PCZMA) under CRZ Notification 2019 (G.S.R. 37(E)). Mahe is part of Puducherry U.T. but surrounded on three sides by Kannur district and on one side by Kozhikode district of Kerala. This page shows what falls inside CRZ-I, II, III A, III B, and IV across Mahe town and the four Naluthara villages.
Regulatory Red Flags Around the Mayyazhi River Estuary
Mahe is a regulatory anomaly. The land is governed by Puducherry under CRZ Notification 2019 and PCZMA, but the Mayyazhi river estuary that defines its northern boundary flows from Wayanad through Kerala before reaching the sea at Mahe. The CZMP map for Puducherry-Mahe is separate from the Kerala CZMP for Kannur and Kozhikode, but the river course is documented in both, and lawyers routinely confuse which authority's clearance applies to a given parcel.
The fact-pack on what each zone permits in Mahe, drawn from CRZ Notification 2019 and the PCZMA SOP.
Zone Code
Permitted Use
Requires CRZ Clearance?
Prohibited Without?
Commonly Misrepresented?
CRZ-I A
Sand dunes, mangroves, ecologically sensitive features
No new construction; only utility/strategic
Any building
Sold as "river-mouth plots"
CRZ-I B
Inter-tidal between LTL and High Tide Line
Salt works, pipelines only
Houses, resorts
Marketed as "beachfront"
CRZ-II
Built-up Mahe municipal urban area
Yes, on landward side of existing road
Construction on seaward side
Confused with CRZ-III rural
CRZ-III A
Densely populated; NDZ 50 m from HTL
Beyond NDZ only
Construction inside 50 m
Quoted as "DTCP approved"
CRZ-III B
Sparse rural; NDZ 200 m from HTL
Beyond NDZ only
Anything inside 200 m
Sold without CZMP cross-check
CRZ-IV A
Sea up to 12 nautical miles
Fishing, traditional use
Solid waste, mining
Not applicable to plots
CRZ-IV B
Mahe river tidal stretch and estuary
Fishing only
Reclamation, dwellings
Sold as "river-facing villa plots"
Zone Code
Permitted Use
Requires CRZ Clearance?
Prohibited Without?
Commonly Misrepresented?
CRZ-I A
Sand dunes, mangroves, ecologically sensitive features
No new construction; only utility/strategic
Any building
Sold as "river-mouth plots"
CRZ-I B
Inter-tidal between LTL and High Tide Line
Salt works, pipelines only
Houses, resorts
Marketed as "beachfront"
CRZ-II
Built-up Mahe municipal urban area
Yes, on landward side of existing road
Construction on seaward side
Confused with CRZ-III rural
CRZ-III A
Densely populated; NDZ 50 m from HTL
Beyond NDZ only
Construction inside 50 m
Quoted as "DTCP approved"
CRZ-III B
Sparse rural; NDZ 200 m from HTL
Beyond NDZ only
Anything inside 200 m
Sold without CZMP cross-check
CRZ-IV A
Sea up to 12 nautical miles
Fishing, traditional use
Solid waste, mining
Not applicable to plots
CRZ-IV B
Mahe river tidal stretch and estuary
Fishing only
Reclamation, dwellings
Sold as "river-facing villa plots"
Given Mahe's tiny 9 sq km footprint, almost every parcel sits within either the 500 m sea CRZ or the 50 m No Development Zone (NDZ) along the tidal river. If a seller cannot show the survey number against PCZMA's approved Mahe CZMP map, that plot's CRZ status is unverified, and a Kannur or Kozhikode broker who quotes the Kerala CZMP is reading the wrong document.
Growth Corridors Across Mahe Town and the Naluthara Villages
Mahe is administratively one municipality with two parts: Mahe town and Naluthara villages. Naluthara comprises Pandakkal, Pallur, Chalakara, and Chembra. The seafront sits on the Mahe town side. The river bank stretches across both. The Puducherry Coastal Zone Management Authority treats the entire enclave as one CZMP zone, but classification within the 8.69 sq km area varies sharply by village density and proximity to the Mayyazhi river.
The corridors most asked about, mapped against CRZ classification under the 2019 CZMP.
Corridor / Locality
Zone (Mahe CZMP 2019)
Growth Driver
Known Risk
Mahe town seafront
CRZ-II + CRZ-I B intertidal
French heritage, St. Teresa's Church
Construction only landward of existing roads
Mahe river mouth (Azhimukham)
CRZ-IV B + CRZ-I A
Walkway, water sports complex
Estuary buffer; private build blocked
Pandakkal
CRZ-III A by density
NRI-driven plot demand
NDZ enforced from river bank
Pallur
CRZ-III A or III B per Census
Residential, semi-rural
50 m or 200 m NDZ depending on density
Chalakara
CRZ-III B largely
Quiet residential pockets
200 m setback freezes large parcels
Chembra
CRZ-III mix
Connectivity to Thalassery
Mixed CRZ-II and III; verify per survey number
Mahe-Thalassery border ribbon
CRZ-III fringe
Kannur Airport corridor demand
Fringe parcels misquoted as "outside CRZ"
Corridor / Locality
Zone (Mahe CZMP 2019)
Growth Driver
Known Risk
Mahe town seafront
CRZ-II + CRZ-I B intertidal
French heritage, St. Teresa's Church
Construction only landward of existing roads
Mahe river mouth (Azhimukham)
CRZ-IV B + CRZ-I A
Walkway, water sports complex
Estuary buffer; private build blocked
Pandakkal
CRZ-III A by density
NRI-driven plot demand
NDZ enforced from river bank
Pallur
CRZ-III A or III B per Census
Residential, semi-rural
50 m or 200 m NDZ depending on density
Chalakara
CRZ-III B largely
Quiet residential pockets
200 m setback freezes large parcels
Chembra
CRZ-III mix
Connectivity to Thalassery
Mixed CRZ-II and III; verify per survey number
Mahe-Thalassery border ribbon
CRZ-III fringe
Kannur Airport corridor demand
Fringe parcels misquoted as "outside CRZ"
The most misunderstood corridor is the river-bank stretch. Buyers see the Mayyazhi promenade and assume the entire river frontage is CRZ-II urban. CRZ Notification 2019 places a 50 m NDZ along tidal water bodies in CRZ-III, plus the river mouth and adjacent mangrove patches as CRZ-I A. River-facing parcels in Pandakkal or Pallur usually sit inside this band, regardless of the panchayat classification.
Access Survey NumbersAccess Puducherry
Survey Numbers
Boundaries and numbers come from published state cadastral records. See all map layers.
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Frequently Asked Questions
Mahe CRZ covers the 1 km coastline within 500 metres of HTL (High Tide Line) and 50 metres along the tidal stretch of the Mayyazhi river. It is governed by CRZ Notification 2019 and the Puducherry CZMP under PCZMA, not the Kerala CZMP, despite the geographic enclave.
As of May 2026, the Mahe CZMP under CRZ Notification 2019 has not received confirmed MoEFCC approval. CRZ 2011 rules continue to govern in the interim. Buyers should verify with PCZMA which notification is operative for their specific survey number.
Match your survey number against the approved Mahe CZMP map on PCZMA's portal. The plot will read CRZ-I, II, III A, III B, or IV. Given Mahe's 8.69 sq km size, most parcels touch the 500 m sea belt or the river NDZ (No Development Zone).
Use 1acre's Premium map layer (https://1acre.in/subscribe) to overlay the PCZMA Mahe CZMP boundary on your survey number — and confirm it is the Puducherry CZMP, not the Kerala CZMP, that applies to your plot.
Yes, but only beyond the NDZ in CRZ-III, on the landward side of existing roads in CRZ-II, and never inside the 50 m river buffer. CRZ clearance Mahe comes through PCZMA, not Kerala authorities, even though the surrounding land is Kerala.
NDZ in CRZ-III A and CRZ-III B depends on Census 2011 density. CRZ-III A (above 2,161 per sq km) gets 50 m. CRZ-III B (below) gets 200 m. Along the Mayyazhi river tidal stretch, NDZ is 50 m or river width, whichever is less.
PCZMA recommends CRZ clearance for Mahe through the Parivesh portal under MoEFCC procedure (F.No. IA3-12/1/2022-IA.III dated 29.11.2022). The Mahe Regional Planning Authority handles smaller commercial buildings under delegated powers. CRZ-I and CRZ-IV proposals require MoEFCC clearance.
No. Mahe is governed by the Puducherry CZMP under PCZMA, not the Kerala CZMP under KCZMA. The geographic enclave inside Kerala does not change jurisdiction. The Kerala CZMP for Kozhikode and Kannur does map the Mahe river course but does not regulate Mahe parcels.
Yes, subject to FEMA rules for NRIs and standard non-agricultural land purchase rules under Puducherry. CRZ classification does not bar ownership but restricts construction. Mahe permits non-domicile purchase, unlike some Indian states with land transfer restrictions.
The 1 km seafront of Mahe is classified under the 2019 CZMP into CRZ-I A (sand dunes), CRZ-I B (intertidal), CRZ-II (Mahe town municipal core), CRZ-III A or III B (Naluthara villages by density), and CRZ-IV A and IV B (sea and Mahe river estuary).
Source
Official State Coastal Zone Management Authority documents
Official Website
pczma.py.gov.in
Coordinate Reference System
EPSG:4326 (WGS 84)
Geometry Type
Polygon / MultiPolygon
Data Format
Vector (GeoJSON) + Raster Tiles
Last Verified
May 2026
Status
Active
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