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.

A Digitally Signed Encumbrance Certificate (EC) is an official property document issued by the Tamil Nadu Registration Department. It provides a legal record of all registered transactions for a specific property — including sale deeds, mortgages, leases, and legal claims — over a selected period. Unlike ordinary ECs, this version is digitally signed by the Sub-Registrar, making it legally valid, and widely accepted by banks, courts, and municipal bodies. It confirms whether a property has a clear title and no outstanding financial or legal encumbrances.

A Certified Copy, also known as Nakal, is an official replica of a registered property document issued by the Sub-Registrar Office (SRO) in Tamil Nadu. It serves as legal proof of ownership and is a key document in property transactions, legal cases, and land-related processes.

The Village Map of Tamil Nadu (also known as Tamil Nadu Village Map with Survey Number or TN Village Map with Survey Number) is an official village land records map maintained by the Revenue Department. It gives a graphical representation of land parcels, survey number locations, and village boundaries.

An Encumbrance Certificate Tamil Nadu (EC) is an official record issued by the Sub-Registrar’s Office (SRO) that details all registered transactions for a property within a given timeframe. An Encumbrance Certificate online Tamil Nadu proves that the property does not have any encumbrances—legal or financial—during the specified period. It is one of the most searched property records along with Patta Chitta , helping users perform a survey number check before purchase.

In Tamil Nadu, Patta Chitta are vital land ownership and classification records maintained by the Revenue Department. Together, they serve as proof of ownership, land classification, and revenue details for a specific piece of land. Since 2015, these two documents have been merged into a Single Patta that includes all the details previously available in both.