The Agricultural College and Research Institute, Killikulam was set up in the year 1984 – 85, which is as  third constituent College of Tamil Nadu Agricultural University. Toward the starting, the College has started working in leased building of MDT Hindu College, Pettai in Tirunelveli. In this way, after the securing the lands and structures from the State Seed Farm, Killikulam, and a portion of the educational programmes was moved to Killikulam during the year 1986-'87. Subsequent on the consummation of building infrastructures, whole academiv activities were shifted to Killikulam institute campus from 01.11.1989.
The organization was upgraded as Agricultural College and Research Institute in year 1989. The college was likewise upgrade as a Post-graduate courses establishment from November 1990. The first batch of the B.Sc. (Ag.) graduates students, which has passed out in year 1988. The organization was made into a co-instruction establishment from 1990-'91.
The main aim of Agricultural College and Research Institute, Killikulam is to provide the extension, research and education to the students and fulfils the knowledge lacking environments.