Agricultural College and Research Institute (AC & RI), Vazhavachanur, Thiruvannamalai district is a new constituent college of Tamil Nadu Agricultural University, Coimbatore. It was started and functioning since 25.08.2014. It is located on Thiruvannamalai to Kallakuruchi State Highways (SH 6A) at 22 km South of Thiruvannamalai town. This residential campus is offering four years B.Sc., Agriculture /B.Sc., (Hons) Agriculture degree programme, with an allotted strength of 80 students per Batch. An area of 110 acres from the state seed farm Vazhavachanur has been allotted to this new college, which includes wet land and garden land ecosystems with bore well irrigation facility and canal irrigation system. Thenpennai river running south of the location is the main source of water for the irrigated crops.
This college is catering the three mandates of the university viz., education, research and extension activities. This college is equipped with all essential laboratories for under graduate degree programme viz., Soil Science, Agricultural Entomology, Plant Pathology, Agricultural Microbiology, Agronomy, Plant Breeding and Genetics, Crop Physiology, Seed Science and Technology, Environmental Science and Agricultural Engineering. Audio-visual lab, language lab and Computer lab with Wi-Fi facility is available in the campus. The college library is equipped with number of text and reference books (Print), e-books, e-journals and e-databases. Separate hostels are available for boys and girls, constructed thro’ NABARD funding. The infrastructural facilities for physical education namely stadium, 200 metre track, and Cricket pitch, Courts for Volley ball, Basketball, Kabaddi, Kho-kho, Badminton and Ball Badminton, ground for Football and Indoor games like Gymnasium, Chess, Carom and Yoga hall were created.