V O Chidambaranar Agricultural College and Research Institute, Killikulam

The V.O. Chidambaranar Agricultural College and Research Institute, Killikulam (VOC AC & RI, Killikulam), formerly known as Agricultural College and Research Institute, Killikulam, is the third constituent agricultural college of Tamil Nadu Agricultural University. Established in 1984–85, it was upgraded to a Research Institute in 1989 and became a postgraduate institute in 1990, later becoming co-educational in 1990-91. It was renamed after freedom fighter V.O. Chidambaranar in August 2023 by then Chief Minister M.K. Stalin. The institute has won the Best College award in TNAU in 2002, 2005, and 2009. It offers a UG degree in B.Sc.(Hons.) Agriculture and a PG degree in M.Sc Agriculture across ten departments, including Agronomy, Horticulture, Plant Pathology, and Agricultural Engineering. The campus, spanning about 476.61 hectares near the Vallanadu Black Buck Sanctuary, includes a watershed development area and the Killikulam tank. Facilities include a library, computer center, gym, auditorium, playground, and an examination hall with online facilities. The institute also hosts the EDII-Killikulam Agribusiness Incubation Forum, promoting agricultural start-ups, and operates two research stations: the Banana Research Station and the Palmyrah Research Station.