What is FMB Sketch in Tamil Nadu?
The FMB Sketch (Field Measurement Book Sketch) is an official land survey document used across Tamil Nadu, prepared and maintained by the Tamil Nadu Revenue Department. It visually represents the exact boundaries, dimensions, survey number, and subdivision details of a land parcel.Steps to Download FMB Sketch Online in Tamil Nadu
You can download the official FMB Sketch online in Tamil Nadu using mypatta, without visiting survey or revenue offices.- Open mypatta and log in or sign up if required.
- Select Tamil Nadu as the state and choose FMB Sketch.
- Enter property details such as District, Taluk, Village, Survey Number, and Subdivision Number.
- Tap on Get FMB Sketch.
- Once available, view, download, save, or share the FMB Sketch PDF.
Importance of FMB Sketch in Tamil Nadu
An FMB Sketch provides a clear, scaled representation of land parcels, showing their shape, size, orientation, and boundary lines. It is widely used by landowners, buyers, government authorities, and financial institutions for legal and administrative purposes.- Verify land boundaries before purchase or sale
- Resolve disputes related to ownership, partition, or encroachments
- Mandatory for building plan approvals, Patta transfer, and land mutation
- Used by government departments for infrastructure and development projects
- Required by banks and financial institutions for property-backed loan.
Key Details in FMB Sketch of Tamil Nadu
An FMB Sketch contains detailed land survey information essential for legal clarity and verification:- Survey Number & Subdivision – Unique identifiers for each land parcel
- Land Measurements – Length, width, angles, and total area
- Subdivision Details – Breakdown of plots within a survey number
- Graphical Layout – Scaled drawing showing land shape and orientation
- Boundary References – Adjacent plots, roads, and directional markers
Important Tips and Considerations
- Always verify survey and subdivision numbers for accuracy
- Ensure the FMB Sketch is digitally signed by the Revenue Department
- Cross-check details with the A-Register Extract
- Consult a licensed surveyor if boundary discrepancies exist
- Use FMB Sketch along with Patta / Chitta for complete property verification
- Keep the FMB Sketch handy for loans, registration, and approvals
Frequently Asked Questions (FAQs)
1. How accurate is the FMB Sketch?
FMB Sketches are prepared based on official government surveys and are considered highly accurate for legal and administrative use in Tamil Nadu.2. Is the FMB Sketch proof of ownership?
No. The FMB Sketch shows boundaries and measurements only. Ownership must be established using documents like a Sale Deed, Title Deed, or Certified Copy.3. Is the FMB Sketch legally valid in court?
Yes. FMB Sketches are accepted as valid supporting evidence in land-related legal disputes.4. Is FMB required for land registration in Tamil Nadu?
Yes. It is commonly required to verify property boundaries and measurements during registration.5. Can I get an FMB Sketch for any property?
Yes, provided the land is officially surveyed and records are available with the Revenue Department.Why You Should Download Tamil Nadu FMB Sketch Through mypatta?
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Key Takeaways
- FMB Sketch is a core land survey document in Tamil Nadu
- It defines property boundaries and measurements accurately
- Essential for registration, loans, and dispute resolution
- Forms the foundation of government land records
- Can be downloaded online quickly through mypatta


