Tamil Nadu Agricultural University (TNAU) is the state agricultural university of Tamil Nadu located in Coimbatore, Tamil Nadu, India. History The Tamil Nadu Agricultural University had its genesis from establishment of an agricultural school at Chennai, Tamil Nadu, India, as early as 1868 which was later relocated at Coimbatore during 1906. In 1920, it was affiliated to Madras University. TNAU assumed full responsibilities of Agricultural Education and Research and supported the State Agricultural Department by delivering research products. In 1958, it was recognized as a post-graduate center and began to offer masters and doctoral degrees. Academics The university offers 13 undergraduate programs, 40 graduate programs and 27 doctoral programs. As the university switched over to the e-learning from the academic year 2007, it was made compulsory for first-year students to procure personal laptops. Apart from academic institutes, the university now has research programs at more than 32 stations, spread over in Tamil Nadu with more than 1200 scientists and teaching faculty. Rankings Internationally, Tamil Nadu Agricultural University was ranked 301–350 in Asia by the QS World University Rankings of 2023. It was ranked 1501+ in the world by the Times Higher Education World University Rankings of 2023, 501+ in Asia in 2022 and the same among emerging economies. Constituent colleges The university has 15 constituent colleges: Affiliate Colleges Timeline 1868: Agricultural School was started at Saidapet, Chennai (Madras). 1906: The Saidapet Agricultural School was shifted to Coimbatore and foundation stone laid for Madras Agricultural College. 1908: Students were admitted to education program leading to Licentiate in Agriculture (L. Ag.) 1909: Opening of Agricultural College and Research Institute (AC & RI) by Sir Arthur Lawley. 1920: The AC & RI was affiliated to Madras University. A new course of study leading to a three-year degree in Agriculture -B.Sc. (Ag.) was started. 1945: Second Agricultural College was started at Bapatla (Now in Andhra Pradesh). 1958: Regional Post-Graduate Centre was established to offer programs leading to master's degree in Agriculture & Horticulture. In Annamalai university, Agriculture teaching started leading to award of M.Sc.(Ag)in Horticulture first of its kind in India. 1960: Integrated system with four year B.Sc. (Ag) degree program after pre-university education was introduced and subsequently doctoral programme in Agriculture was started. 1965: Third Agricultural College was started at Madurai, Tamil Nadu and the Masters program at Madurai was introduced during 1969. 1971: The Tamil Nadu Agricultural University came into existence with