FMB Sketch Tamil Nadu: Read, Verify & Use It for Land Buying

  • Sep 13, 2025


FMB Sketch Tamil Nadu: How to Read, Verify & Use for Land Purchase

What’s This Blog About?

This post is your go-to guide for understanding the FMB sketch Tamil Nadu. We’ll break down:

  • What it is
  • How to read and verify it
  • Where to get it online
  • Why it’s crucial for land registration and DTCP approvals
  • A visual guide to help you decode it
  • FAQs and schema markup for rich snippets

Let’s dive in!


What is an FMB Sketch?

FMB stands for Field Measurement Book. Maintained by the Revenue Department of Tamil Nadu, an FMB sketch is a hand-drawn or digital map that shows exact boundaries and measurements of your land.

It includes:

  • Plot dimensions
  • Survey numbers
  • Adjoining plots
  • Orientation (North, South, East, West)
  • Scale measurements
  • Pathways, water bodies, or roads (if any)


Purpose of an FMB Sketch:

  • Acts as legal proof of land boundaries
  • Essential for DTCP approvals and building plans
  • Required during land registration and mutation
  • Helps avoid boundary disputes


How to Read an FMB Sketch in Tamil Nadu

Reading an FMB sketch might seem overwhelming at first glance—but it’s not rocket science. Here's a simple breakdown:

📐 Key Elements in an FMB Sketch:


Sample FMB Sketch – Visual Guide

Here's a visual example of a simple FMB Sketch with labels:

  • AB, BC, CD, DA – Each side with lengths mentioned
  • North arrow – To understand orientation
  • Survey number – Written on or near the plot
  • Adjacent plot names or numbers – To verify neighbors
Pro Tip: Always check if the FMB sketch matches the Sale Deed, Parent Document, and Patta. Any mismatch? Red flag!



How to Get FMB Sketch Online in Tamil Nadu

You don’t have to run to the Taluk office anymore. Thanks to TN e-Services, you can now download FMB sketches online.

📥 Steps to Get FMB Sketch Online:

  1. Visit: https://eservices.tn.gov.in/eservicesnew/index.html
  2. Click on ‘View Patta & FMB / Chitta / TSLR Extract’
  3. Choose District, Taluk, Village
  4. Enter Survey Number and Sub-division
  5. Click ‘Submit’
  6. You’ll see your FMB sketch and can download a PDF version.


Why is FMB Important for Land Registration?


If you’re buying land, registering it, or applying for building approval, here’s why the FMB sketch Tamil Nadu is crucial:

✅ Legal Ownership Proof

FMB confirms the land's exact boundary and area, which supports ownership claims.

✅ Avoids Disputes

Clear boundaries reduce chances of encroachments or future legal hassles.

✅ Required for DTCP Approvals

Planning permissions, layout sanctions, and DTCP plot regularization Tamil Nadu all need FMB data.

✅ Smooth Land Registration

Registration officers verify the FMB against sale documents before approving any transaction.


Difference Between FMB and Layout Sketch

So, if you’re applying for DTCP plot regularization Tamil Nadu, you’ll need both.


FMB Sketch for DTCP Approval

DTCP requires:

  • FMB sketch (for actual land dimensions)
  • Layout sketch (for broader plan)
  • Patta and parent deed
  • EC (Encumbrance Certificate)

They’ll cross-check your FMB sketch with the proposed layout. Any overlap or mismatch may delay approval.


Frequently Asked Questions (FAQs)

What is an FMB sketch?

An FMB sketch (Field Measurement Book sketch) is an official land map prepared by the Revenue Department, showing accurate boundaries, dimensions, and neighboring plots.

How to get FMB sketch online in Tamil Nadu?

Visit the TN e-Services Portal > Select “View Patta/FMB” > Enter district, taluk, village, survey number > Download your FMB sketch PDF.

Why is FMB important for land registration?

FMB provides verified land dimensions. It’s essential for legal clarity, avoiding disputes, and getting DTCP approvals or registering the property.


Final Word

If you’re planning to buy land in Tamil Nadu, never skip checking the FMB sketch. It’s the only way to be 100% sure about what you’re getting into. Whether you’re registering property, applying for DTCP approvals, or just doing your due diligence—this small document can save you big headaches later.

And remember: a verified FMB sketch, paired with proper legal advice, is the cornerstone of a safe land investment.


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