The Civil Service Training Institute, Bhavanisagar was established in Tamil Nadu in the year 1974 to impart foundational training to all the clerical staff of the entire state of Tamil Nadu. During 1976, the Institute was expanded to impart foundational training for state service officers of various categories. 

The In-service Training for Deputy Tahsildars was introduced during 1981. Precisely this is the only apex institute, which is imparting both foundational and refresher courses from the cadre of Junior Assistants/Assistants of all Departments to the Deputy Tahsildars from Revenue Departments.