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Glossary

# Wetland / Nanjai Land

Irrigated agricultural land in Tamil Nadu, classified as 'nanjai' in revenue records, that receives water from a tank, river, canal, or well.

## What is Nanjai Land?

Nanjai is the Tamil revenue classification for irrigated or wet agricultural land that receives water from government irrigation sources — tanks, canals, rivers, or wells connected to public water supply. It has higher agricultural productivity and therefore a higher tax assessment than dry (punjai) land. Nanjai classification is recorded in the Chitta and A-Register. The term 'wetland' in Tamil Nadu revenue context specifically refers to this irrigated agricultural classification, not the ecological wetland definition.

## Nanjai vs Punjai

Nanjai (wet) land is irrigated and supports paddy and water-intensive crops, while Punjai (dry) land is rain-fed and supports millets, pulses, and drought-resistant crops. Nanjai land typically has stricter conversion restrictions because the government prioritizes food security and water resource conservation. Nanjai land commands higher agricultural value due to its productivity but faces more regulatory hurdles for development conversion. Punjai land is generally easier and faster to convert to non-agricultural use.

## Conversion restrictions

Wetland near water bodies often falls under Coastal Regulation Zone (CRZ) or flood plain restrictions that may prohibit conversion entirely. Conversion of nanjai land requires a No Objection Certificate from the Water Resources Department, confirming that the conversion will not affect irrigation infrastructure. Some nanjai land — particularly land within tank command areas or canal irrigation zones — is permanently restricted from conversion. Before acquiring nanjai land for development, verify the irrigation source and its current status, and confirm conversion eligibility with the Revenue Department.

## Related Terms

[Agricultural LandLand classified for farming and cultivation purposes in government revenue records, subject to specific regulations for transfer and conversion.](/glossary/agricultural-land)[Land Use Conversion (NA Conversion)The statutory permission process for proposed non-agricultural development of wet or dry agricultural land in a Tamil Nadu non-planning area.](/glossary/land-use-conversion)[Chitta (Land Revenue Record)A revenue extract maintained by the Tamil Nadu government showing land classification, extent, and tax details for a survey number.](/glossary/chitta)[No Objection Certificate (NOC)A clearance certificate issued by a government authority confirming no objection to a proposed land transaction or development.](/glossary/no-objection-certificate)

## Keep exploring

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[Land Lead ManagementShow each lead’s wet (nanjai) or dry (punjai) class from its fetched land record.](/features/land-lead-management)

Last verified 6 November 2026

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