The Tamil Nadu Rice Research Institute (TRRI) is an Indian research institute working in the field of rice under Tamil Nadu Agricultural University (TNAU).
[1][2] Situated in Aduthurai, in Thanjavur district, it was established in April, 1985 in TNAU to meet the research requirements of the region with the help of existing Agricultural Colleges and Research centres and perform lead function for rice and rice based cropping system research.
This directorate responsible for coordinating research in the Region II of the TNAU.
At that time the research station at Tirur Village was also brought under the university's control.
[3] it was elevated as a Directorate (Rice Lead Centre) of the university in 1985.