The Field Measurement Book (FMB) is the official Tamil Nadu government survey sketch for a land parcel. It shows exact boundaries, sub-division dimensions, adjacent survey numbers, and the parcel's position within the village survey grid. The FMB is the canonical reference for boundary verification — when the on-ground extent differs from the FMB, the FMB controls. Banks, DTCP, and registration authorities require an FMB before approving a transaction.
Tamil Nadu FMB sketches are digitised for every rural survey number and downloadable for free via the TN eServices portal. Certified physical copies cost ~₹100–₹300 from the Taluk Office.
Source: Tamil Nadu Land Records Department
Procedure to retrieve a Tamil Nadu FMB Sketch via the TN eServices portal using district, taluk, village, and survey number or Patta number.
Visit https://eservices.tn.gov.in/eservicesnew/index.html and choose View Patta & FMB / Chitta / TSLR Extract.
Open portalFor agricultural and rural parcels, choose Rural. For Natham-classified urban parcels, choose Urban.
Drill through the administrative hierarchy to the target village.
Either Patta number or Survey number works. Sub-division (e.g. 47/2) returns a more precise sketch.
The FMB renders as a survey diagram with boundary dimensions and adjacency. Download as PDF for free; certified copies require a Taluk Office application.
These are the patterns that break deals if missed.
Pulling one FMB sketch is fast. A team verifying on-ground extent against FMB across 50+ active leads — and detecting when a re-survey changes the canonical sketch — is hours of work every week. Proquiro pulls FMB at portfolio scale and flags survey-extent mismatches automatically.
The FMB (Field Measurement Book) is the Tamil Nadu government's official survey diagram for a land parcel — boundaries, dimensions, adjacent surveys, and the parcel's position in the village grid.
It is the canonical reference for boundary disputes and is required by banks, DTCP, and registration authorities before approving most transactions.
FMB is the official survey diagram derived from the original village settlement survey.
When a survey is freshly carried out (private DGPS or government re-survey), the FMB may need updating — the new sketch becomes the canonical reference once recorded.
On-ground encroachment, boundary erosion, or a wrong original survey can all cause mismatches. The FMB is the legal reference — if the difference is material, commission a fresh DGPS survey and apply for FMB correction.
In practice, mismatches of more than 5% should be resolved via a Taluk Office mutation before purchase.
Yes. The View Patta & FMB / Chitta / TSLR Extract flow on the TN eServices portal is open access and does not require user registration for view-only.
Certified copies (with seal) require an application via the Taluk Office or a registered CSC.
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