Indian Agricultural Research Institute was originally established in 1905 at Pusa (Bihar) with the financial assistance
of an American Philanthropist, Mr. Henry Phipps, IARI was shifted to its present site in 1936, after a major earthquake damaged the institute's building at Pusa (Bihar). The institute's popular name "Pusa Institute" traces its origin to the establishment of the institute at the place Pusa in Bihar.

Indian Agricultural Research Institute is the country's premier national institute for agricultural research, education and extension. It has status of a 'Deemed-to be-University' under the UGC Act 1956 of India and awards M.Sc. and Ph.D. degrees in various agricultural disciplines.The growth of India's agriculture during the past nearly 100 years, is closely linked with the researches done and technologies generated by the institute. The Green Revolution stemmed from the fields of IARI and our graduates constitute the core of the quality human resource in India's agricultural research and education.