How is special deputy tahsildar called in Tamil?

The term "Special Deputy Tahsildar" is not commonly used in Tamil. The closest equivalent would be "சிறப்பு துணை தாசில்தார்" (sirappu thunai taasildhaar).

However, it's important to note that the specific title and responsibilities of a "Special Deputy Tahsildar" might vary depending on the context and the specific organization.