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Document Guide · West Bengal

How to Check Land Conversion in West Bengal — Complete Guide 2026

The NA conversion order in land conversion in West Bengal changes a plot from agricultural class to non-agricultural use. The state warning is direct: it is mandatory before construction, full stop. This guide walks you through the Banglarbhumi process, fees, BL&LRO inquiry and rejection traps.

Quick Reference
Also calledNA Conversion Order, Agri to NA Conversion, Class Change
Issued byBL&LRO and District Collector
Valid forLifetime, until next change of use
CostUp to Rs 500 per challan as per circular
Time takenRoughly 2 to 6 months
Online portalbanglarbhumi.gov.in (BL&LRO WB)
noteconfirm with BL&LRO
1

What is Land Conversion in West Bengal?

Definition

Land conversion is the legal change of recorded land use from agricultural classes (Sali, Danga, Doba) to a non-agricultural class (Bastu, commercial, industrial). It is governed by Sections 4A, 4B, 4C and 4D of the West Bengal Land Reforms Act, 1955 and processed by the BL&LRO.

The state classifies every plot in the Khatian by its character: Sali (paddy), Danga (high agricultural), Doba (low water body), Bastu (homestead) and a few commercial classes. Building anything on a Sali or Danga plot without an NA conversion order is illegal. The BL&LRO can demolish the structure and impose a penalty. Banks refuse home loans on agricultural class land. So agricultural to non-agricultural land conversion is what unlocks construction, resale and lending value.

The state runs the conversion file through two layers: the BL&LRO at the block level and the District Collector for cases above the block officer's authority. Wetland, forest land and certain protected zones cannot be converted, no matter who applies. Some Mouzas inside KMC or HIDCO areas have additional planning approvals. Buyers who skip conversion and start building anyway lose the structure and the money. The portal makes the application straightforward; the field inquiry by the BL&LRO officer is what takes time.

State-specific note: Conversion is mandatory before construction. If the seller markets agricultural land as a homesite without showing an NA conversion order on Banglarbhumi, treat it as a building you cannot legally raise.
2

How to File Land Conversion on Banglarbhumi: Online and Offline

The Banglarbhumi Conversion Application is fully online; the field check is offline. Keep mutation certificate, sale deed, latest khajna receipt, Mouza map and ID proof ready in PDF under 2 MB each.

Online method (recommended)

1
Log in Open banglarbhumi
gov.in, click Sign In and enter your registered ID. Open Citizen Services, then Online Application, then Conversion Application.
Apply only after mutation in your name; a mismatch causes immediate rejection.
2
Pick the plot Select District, Block, Mouza, Khatian and Dag
Mark whether the land is already converted as Yes or No.
3
Choose the new class Pick the changeable classification (for example, Sali to Bastu, Sali to commercial)
State the purpose of conversion clearly. Industrial Yes or No.
4
Upload, pay, submit Attach Mouza map, mutation certificate, latest khajna receipt and NOC from Pollution Control Board where required
Pay through GRIPS net banking or counter, save the application number.
Keep screenshots of every step for the BL&LRO file inquiry.

Offline method (Sub-Registrar Office)

1
Visit the right BL&LRO Walk into the Block Land and Land Reforms Office where the Mouza falls
Other blocks cannot accept the file.
2
Submit Form 1A Hand over Form 1A (Application for change of character, conversion or alteration) with all enclosures
Get a dated receipt.
3
Pay the fee
Deposit the conversion fee through treasury challan, DCR or demand draft, capped at Rs 500 per current circular
4
BL&LRO field inquiry The officer visits the plot, checks classification, and may call neighbours for objections
Cooperate; a clean inquiry speeds the order.
Carry a recent satellite or mobile photo of the plot to support your purpose.
3

What Does the NA Conversion Order Contain in West Bengal?

The conversion order on Banglarbhumi carries a fixed set of fields the buyer must read before relying on it.

Field What it means What to check
Application and Case NumberBL\\\&LRO file ID for the conversionMatch it on Banglarbhumi conversion status before paying anything to the seller
Mouza, Khatian and DagIdentifies the plot preciselyConfirm every digit matches the deed and current Khatian
Existing Class of LandOld class (Sali, Danga, Doba, and so on)Check this matches the current deed and Khatian
Converted ClassNew class approved (Bastu, commercial, industrial)Must match your intended use; a Bastu order will not permit heavy industry
Purpose of ConversionStated reason (residence, shop, factory)Match it with what you actually plan to build
ConditionsTime limit to start use, NOCs required, restrictionsRead every line carefully; missing a condition can void the order
Order Date and OfficerDate the BL\\\&LRO or Collector signs the orderThis becomes the effective conversion date
Good sign: A clean order shows your name as recorded raiyat, the right Mouza and Dag, the correct converted class, no time-limit breach, and the BL&LRO seal and digital signature.
4

Common Issues With Land Conversion in West Bengal

The conversion order on Banglarbhumi carries a fixed set of fields the buyer must read before relying on it.

Building started without conversion
Construction begins on Sali or Danga plot. The BL&LRO can demolish the structure under the West Bengal Land Reforms Act.
Fix: Stop construction, file a fresh conversion application, and wait for the order before resuming.
Mutation pending in seller's name
Conversion application gets rejected because mutation in the current owner's name is incomplete.
Fix: Complete mutation first, then apply for conversion; both files cannot run in parallel.
Wetland or forest classification
The plot sits inside a wetland, forest or protected zone. Conversion is legally barred.
Fix: Walk away; no fee or political approach can convert protected zones in West Bengal.
Wrong purpose stated
Order issued for residential, but seller markets it for industrial use.
Fix: File a fresh purpose-change application; do not start the wrong activity on the existing order.
Field inquiry objection from neighbours
Adjacent owners object to the conversion during the BL&LRO inquiry.
Fix: Resolve with written NOC from each objecting neighbour, then re-submit, do not appeal blindly.
PDF size or document gap
Portal rejects an upload above 2 MB or with missing Mouza map.
Fix: Compress every file under 2 MB and re-upload; do not skip any enclosure on the checklist.
5

Why the NA Conversion Order Matters for Land Buyers in West Bengal

The conversion order is what turns a fertile-looking plot into a legal building site.

📋
Legal right to build The order is the only document that legally changes the plot's use
Without it, no Panchayat, KMC or HIDCO approves a building plan, and any structure raised is unauthorised.
⚠
Mandatory before construction The state warning is direct: mandatory before construction
Building first and converting later is the most common buyer mistake; demolition orders follow swiftly.
🏦
Bank loan and resale Every bank in the state asks for the NA conversion order before a home loan on a Sali to Bastu plot
Resale value also doubles or trebles after a clean conversion.
🔍
West Bengal-specific class system West Bengal uses Sali, Danga, Doba, Bastu classes that are unique to the state
Conversion is the only legal mechanism to move between them. The order ties registration, mutation and Khatian into one consistent file.
Red flag: If the seller offers an old khajna receipt and assures you conversion can be done later, walk away. A genuine NA-converted plot has a downloadable Banglarbhumi conversion order with seal and date.
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Frequently Asked Questions

How do I apply for land conversion in West Bengal?
Log in to banglarbhumi.gov.in, open Citizen Services, choose Online Application, then Conversion Application. Pick the plot, state the new class and purpose, upload PDFs, pay through GRIPS.
How long does land conversion take in West Bengal?
Banglarbhumi conversion cases typically take roughly two to six months. Field inquiry by the BL&LRO, neighbour objections and complex classifications stretch the timeline. Track status using your application number.
What is the fee for NA conversion in West Bengal?
As per the current circular, conversion fees are deposited through treasury challan, DCR or draft, capped at roughly Rs 500. Confirm the exact figure with the BL&LRO before submitting.
What documents are needed for conversion?
Keep the Mouza map, mutation certificate, latest khajna receipt, NOC from Pollution Control Board where applicable, ID proof and registered sale deed. Each PDF must stay under two megabytes.
Can wetland or forest land be converted in West Bengal?
No. Wetlands, water bodies, forest land and certain protected zones cannot be converted under any circumstance. Treat any seller offer of conversion on such plots as a clear scam to walk away from.
How do I check conversion status on Banglarbhumi?
Log in, open Citizen Services, click Online Service Status, then Conversion Status. Search Plot Wise or Khatian Wise. Pick District, Block and Mouza, enter the number and Captcha.
What is the difference between mutation and conversion?
Mutation updates the owner name in the Khatian. Conversion changes the class of land from agricultural to non-agricultural. Both are mandatory; one cannot replace the other in West Bengal practice.
Can I build a house on Sali land while waiting for conversion?
No. Building on Sali or Danga before the NA conversion order is illegal. The BL&LRO can demolish the structure and impose a penalty, regardless of how complete the application file is.

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