In Tamil Nadu Archives, there are approximately 40 crores of records. Thematic Research in archives offers a valuable opportunity to explore and contribute to our understanding of various Historical, Social and Cultural phenomena. By leveraging archival materials, researchers can uncover rich insights and perspectives that may not be accessible through other sources.

Recently, a thematic research on 'Mullai Periyar' regarding the construction of dam on Periyar river has been consolidated from approximately 10000 records of Tamil Nadu Archives by a Research Scholar. On a similar line,  thematic basis Research Fellowship has been granted on pilot basis by Government of Tamil Nadu. Four Research Scholars are working on topics like Justice Party, Devadasi system etc., This Fellowship enables the Researchers to work on the thematic classification of the vast records available in Tamil Nadu Archives.