Karaikal CRZ
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Overview
The Karaikal CRZ layer plots the Coastal Regulation Zone footprint along Karaikal's 20 km coastline, the second longest in the U.T. of Puducherry after Pondicherry's 24 km. It mirrors the revised Coastal Zone Management Plan prepared by NCSCM (National Centre for Sustainable Coastal Management) under CRZ Notification 2019 (G.S.R. 37(E)), with the Karaikal region public hearing held on 7 November 2024. The Puducherry Coastal Zone Management Authority (PCZMA) is the regulatory body. This page shows what falls inside CRZ-I, CRZ-II, CRZ-III A, CRZ-III B, and CRZ-IV across Karaikal town, the Arasalar estuary, and the fishing villages. As of May 2026, the Puducherry CZMP under CRZ Notification 2019 has not received confirmed MoEFCC approval despite the November 2024 public hearing. CRZ 2011 rules continue to govern in the interim. Buyers should verify with PCZMA which notification is operative for their specific survey number.
Regulatory Red Flags Inside the No Development Zone
Karaikal sits on the Coromandel Coast, surrounded on three sides by the Cauvery delta districts of Tamil Nadu. Every coastal parcel here gets read against two CZMPs: the older 2011 plan still on PCZMA's map page, and the 2019 plan that went through public hearing in November 2024. Buyers routinely confuse the two, and brokers quote whichever is more favourable.
The fact-pack on what each zone permits in Karaikal, drawn from CRZ Notification 2019 and PCZMA's own SOP for clearance.
Zone Code
Permitted Use
Requires CRZ Clearance?
Prohibited Without?
Commonly Misrepresented?
CRZ-I A
Mangroves, sand dunes, fish breeding areas
No new construction; only utility/strategic
Any building
Sold as "estuary plots"
CRZ-I B
Inter-tidal area between LTL (Low Tide Line) and High Tide Line
Salt works, pipelines only
Houses, resorts
Marketed as "beach plots"
CRZ-II
Built-up Karaikal town municipal area
Yes, on landward side of existing road
Construction on seaward side
Confused with CRZ-III rural
CRZ-III A
Densely populated rural; NDZ 50 m from HTL (High Tide Line)
Beyond NDZ only
Construction inside 50 m
Quoted as "approved layout"
CRZ-III B
Sparse rural; NDZ 200 m from HTL
Beyond NDZ only
Anything inside 200 m
Sold without disclosure
CRZ-IV A
Sea up to 12 nautical miles
Fishing, traditional use
Solid waste, mining
Not applicable to plots
CRZ-IV B
Arasalar estuary and tidal water bodies
Fishing only
Reclamation, dwellings
Sold as "river-facing"
Zone Code
Permitted Use
Requires CRZ Clearance?
Prohibited Without?
Commonly Misrepresented?
CRZ-I A
Mangroves, sand dunes, fish breeding areas
No new construction; only utility/strategic
Any building
Sold as "estuary plots"
CRZ-I B
Inter-tidal area between LTL (Low Tide Line) and High Tide Line
Salt works, pipelines only
Houses, resorts
Marketed as "beach plots"
CRZ-II
Built-up Karaikal town municipal area
Yes, on landward side of existing road
Construction on seaward side
Confused with CRZ-III rural
CRZ-III A
Densely populated rural; NDZ 50 m from HTL (High Tide Line)
Beyond NDZ only
Construction inside 50 m
Quoted as "approved layout"
CRZ-III B
Sparse rural; NDZ 200 m from HTL
Beyond NDZ only
Anything inside 200 m
Sold without disclosure
CRZ-IV A
Sea up to 12 nautical miles
Fishing, traditional use
Solid waste, mining
Not applicable to plots
CRZ-IV B
Arasalar estuary and tidal water bodies
Fishing only
Reclamation, dwellings
Sold as "river-facing"
If a seller cannot show your survey number against the approved CZMP map on PCZMA's portal, that plot's CRZ status is unverified. The split between CRZ-III A and CRZ-III B in Karaikal turns on Census 2011 density, and the No Development Zone (NDZ) flips between 50 m and 200 m depending on which side of that threshold the village falls.
Growth Corridors Around Karaikal Beach, Arasalar Estuary and the Port
Karaikal has 12 fishing hamlets and a coastline anchored at three nodes: Karaikal Beach near the river mouth, the Arasalar river estuary north of it, and the deep-water Karaikal port and fishing harbour complex south of the Arasalar mouth. Each carries different CRZ exposure.
The corridors most asked about, mapped against CRZ classification under the 2019 CZMP.
Corridor / Locality
Zone (Karaikal CZMP 2019)
Growth Driver
Known Risk
Karaikal Town core
CRZ-II
French-quarter heritage, municipal
Construction only landward of existing roads
Karaikal Beach front
CRZ-III + CRZ-I B intertidal
Tourism, beach road, boat jetty
NDZ enforced; tourism plan needed
Arasalar estuary (north bank)
CRZ-IV B + CRZ-I A
Boating club, mangroves
Estuary buffer; no private build
Karaikal port / Sanmar terminal
CRZ-II + port limits
Industrial, deep-water harbour
Port operational area classified CRZ-II; new construction requires PCZMA clearance beyond existing authorised port limits.
Fishing harbour (south of Arasalar)
CRZ-III + harbour buffer
World-Bank funded reconstruction
Fish landing centre buffer
Coastal hamlets (12 villages)
CRZ-III A or III B per density
Fishing, semi-rural
Traditional rights; plot subdivision restricted
NH-32 ribbon (inland edge)
CRZ-III B fringe
Connectivity to Chennai-Thoothukudi
Rs 60 crore NH-32 strengthening announced October 2025 — improves connectivity but does not change CRZ classification for fringe parcels. Fringe parcels misquoted as "outside CRZ".
Corridor / Locality
Zone (Karaikal CZMP 2019)
Growth Driver
Known Risk
Karaikal Town core
CRZ-II
French-quarter heritage, municipal
Construction only landward of existing roads
Karaikal Beach front
CRZ-III + CRZ-I B intertidal
Tourism, beach road, boat jetty
NDZ enforced; tourism plan needed
Arasalar estuary (north bank)
CRZ-IV B + CRZ-I A
Boating club, mangroves
Estuary buffer; no private build
Karaikal port / Sanmar terminal
CRZ-II + port limits
Industrial, deep-water harbour
Port operational area classified CRZ-II; new construction requires PCZMA clearance beyond existing authorised port limits.
Fishing harbour (south of Arasalar)
CRZ-III + harbour buffer
World-Bank funded reconstruction
Fish landing centre buffer
Coastal hamlets (12 villages)
CRZ-III A or III B per density
Fishing, semi-rural
Traditional rights; plot subdivision restricted
NH-32 ribbon (inland edge)
CRZ-III B fringe
Connectivity to Chennai-Thoothukudi
Rs 60 crore NH-32 strengthening announced October 2025 — improves connectivity but does not change CRZ classification for fringe parcels. Fringe parcels misquoted as "outside CRZ".
The most misunderstood corridor is the Arasalar estuary stretch. Buyers see the boating club and assume the area is open for resort development. Mangroves and the fish breeding area mark this as CRZ-I A and CRZ-IV B, where private construction is essentially blocked. The "river-facing" plots advertised here usually sit inside the 100 m tidal-water-body buffer or on the 50 m NDZ along the creek, both of which freeze build rights.
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
Karaikal CRZ covers the entire 20 km coastline within 500 metres of the High Tide Line, plus 100 metres along the Arasalar and other tidal water bodies. It is governed by CRZ Notification 2019 and the U.T. CZMP under PCZMA.
Match your survey number against the Karaikal CZMP map prepared by NCSCM and approved by PCZMA. The plot will read CRZ-I, II, III A, III B, or IV. Anything within 500 m landward of HTL or 100 m of the Arasalar is in CRZ.
Use 1acre's Premium map layer (https://1acre.in/subscribe) to overlay the PCZMA CRZ boundary on your survey number before demanding PCZMA's CZMP extract.
Yes, but only beyond the NDZ in CRZ-III, and only with clearance from the Puducherry Coastal Zone Management Authority. Construction inside the NDZ, or in the CRZ-I sand dune and estuary stretches, is not permitted regardless of any local approval.
50 metres from HTL in CRZ-III A (densely populated rural, Census 2011 density above 2,161 per sq km), and 200 metres from HTL in CRZ-III B. Along the Arasalar tidal water body, the NDZ is 50 m or the creek width, whichever is less.
PCZMA recommends CRZ clearance Karaikal for CRZ-II and CRZ-III projects through the Parivesh portal. CRZ-I and CRZ-IV proposals require MoEFCC clearance at the Centre. The District Collector chairs the public hearing process.
Yes. The Arasalar mouth is classified as CRZ-IV B (tidal water body) with adjacent mangrove and sand-dune stretches falling in CRZ-I A. Land within 100 m of the bank, or 50 m along narrower stretches, sits in NDZ with no private construction allowed.
Yes for non-agricultural land in CRZ-II urban Karaikal, subject to FEMA rules and PCZMA clearance for any construction. Agricultural land purchase by NRIs faces the standard RBI restriction. CRZ classification does not exempt the FEMA rule.
Note that the rules differ by citizenship category: (a) French citizens of Indian origin (PIOs/NRIs under FEMA) follow the same rules as other PIOs — standard RBI restrictions on agricultural land apply; (b) French citizens of non-Indian origin face additional restrictions under FEMA and cannot purchase agricultural or plantation land, and must obtain RBI approval for other immovable property. Buyers in either category should confirm their specific classification with an FEMA-qualified lawyer before proceeding.
The 2019 CZMP for Karaikal divides the 20 km stretch into CRZ-I A (sand dunes, mangroves), CRZ-I B (intertidal), CRZ-II (Karaikal municipal core), CRZ-III A and III B (coastal villages by density), and CRZ-IV A and IV B (sea and Arasalar 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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