TSLR stands for Town Survey Land Register. It is a land ownership record maintained by the Revenue Department of Tamil Nadu mainly for urban areas. TSLR extracts are crucial for property-related activities like property sales, legal disputes, ownership verification, and determining the extent of land within specific town limits.

A TSLR Sketch, or Town Survey Land Register Sketch, is a graphical representation of a land plot as recorded in the urban land survey records maintained by the Tamil Nadu Revenue Department. It depicts the boundaries, measurements, and location of a property within a particular town survey number or subdivision.