Chaudhary Charan Singh Haryana Agricultural University is a public funded agricultural university located at Hisar in the Indian state of Haryana. It is the biggest agricultural university in Asia. The university has 8,645 acres (3,499 ha) of land (around 7,219 acres (2,921 ha) at main campus, 1,426 acres (577 ha) at outstations). It is named after India's seventh Prime Minister, Chaudhary Charan Singh. It was initially a satellite campus of Punjab Agricultural University at Hisar. It was established as a university by Haryana and Punjab Agricultural Universities Act, ratified 2 February 1970 and was named as Haryana Agricultural University. So basically it is considered as the first established university of state Haryana. On 31 October 1991, it was renamed as Chaudhary Charan Singh Haryana Agricultural University. A.L. Fletcher was the first vice-chancellor of the university.

The university publishes the largest number of research papers among agricultural universities in India. It won the Indian Council of Agricultural Research's Award for the Best Institute in 1997 and in 2017. It contributed significantly to Green Revolution and White Revolution in India. Golden Jubilee Year celebrations started in the university on 2 February 2019 and ended on 1 February 2020 marking the 50 glorious years of service towards mankind.

History
According to the data maintained by the Government of India's Department of Statistics, the HAU's Department of Agronomy was established in 1930 and department of Entomology was founded in 1956 in Punjab Agricultural University. In 2010, College of Veterinary Sciences and College of Animal Sciences were separated from the university and became a part of the newly formed Lala Lajpat Rai University of Veterinary and Animal Sciences (LUVAS).

In February 1948, the Punjab College of Veterinary Sciences was opened at Railway Road Hisar in a rented building which was shared with the Govt College Hisar from 1950 onward. In 1961, the Punjab College of Veterinary Sciences later moved to the Government Livestock Farm, Hisar and it eventually came under the Punjab Agricultural University (PAU) as a satellite campus when PAU was established in 1962. In 1962, the College of Agriculture was established. In 1964, the College of Basic Sciences and Humanities was established. In 1966, the College of Animal Sciences was established. In 1966, when Haryana was formed, it was declared as an autonomous institution. On 2 February 1970, it was ratified and established as a university by Haryana and Punjab Agricultural Universities Act, and was named as Haryana Agricultural University, with A.L. Fletcher as its first Vice-Chancellor. The four constituent colleges of HAU located at Hisar, namely, College of Agriculture, College of Basic Sciences, College of Animal Sciences and College of Veterinary Sciences became a part of Haryana Agricultural University. In 1971, A regional campus of the university was opened at Kaul in 1971. In 1972, the College of Sports and in 1973 the College of Home Science were established. In 1973, College of Home Sciences was added. On 31 October 1991, the HAU was renamed as Chaudhary Charan Singh Haryana Agricultural University. In 1992, the College of Agricultural Engineering was established.

Campus
It is located about 5 km from the Guru Jambheshwar University of Science and Technology; 4 km from the Blue Bird Lake; 2 km from the bus station along the National Highway 9, (old NH 10) 1 km from the town center & main market area; 100 meter from Mahabir Stadium; 1 km from Hisar Junction railway station, 6 km from the Hisar Airport; 167 km from the Indira Gandhi International Airport; 180 km from the New Delhi railway station; and 235 km from the Chandigarh International Airport. The main campus of CCS HAU has four gates, Gate No-1 near Mahabir Stadium, Gate No-2 and Gate No-3 behind Campus School and next to Giri Centre respectively both on the MDR107 Balsamand road, and Gate No-4 on NH52 Rajgarh road.

The development plan of the university is based on the concept of a Central Campus Core around which academic buildings for various colleges, schools and departments, residential, recreational and common facilities such as Faculty House and Club, Farmers' Hostel, Students' Hostel, Hospital, Shopping Centre etc., are built. The buildings comprising the Core are Gandhi Bhawan, Nehru Library, Indira Gandhi Auditorium and the Administration Building, situated on three sides of great Plazza, the greater part of which is four feet above ground level. The main campus of the university is situated at Hisar at a distance of162 km North-West of Delhi on National Highway No.10 and is 2 km from the railway station and 3 km from the Bus Stand. University is spread over an area of 7219 Acres at Hisar and 1426 Acres at outstations. Area at Hisar under farms is 6483 Acres and under buildings and roads is 736 Acres.

HAU has a central campus core formed by Fletcher Bhawan, Gandhi Bhawan (built 1975–1978), Indira Gandhi Auditorium (built 1982–1985) and Nehru Library, around which the other buildings and facilities are built. The university has a total land of 29.15 km2 (11.25 sq mi) (12.91 km2 (4.98 sq mi) at the main campus at Hisar, 10.68 km2 (4.12 sq mi) Dr. Ramdhan Singh Seed Production Farm at Hisar, and 5.56 km2 (2.15 sq mi) at outstations).

Facilities
Spread over an area of 298 hectares, the university has six constituent colleges viz. College of Agriculture, College of Agricultural Engineering & Technology, College of Veterinary Sciences, College of Animal Sciences, College of Basic Sciences & Humanities and College of Home Science. Each college building is a complete institution in itself having large number of lecture rooms, laboratories, auditorium, seminar rooms, audio-visual Laboratories, computer facilities etc. To accommodate administrative staff, the university has an administrative block known as Fletcher Bhawan. Directorate of Extension Education along with the Directorate of Publications is housed in a double storeyed spacious building named Gandhi Bhawan. Adjacent to Gandhi Bhawan is the Dean, Postgraduate Studies Block housing Dean PGS staff.

In addition to the colleges, the university campus has the following facilities:-

• Fletcher Bhawan, the administrative block
• Nehru Library, a collection of 300,000 books and 700 journals on a floor area of 100,000 square feet (9,300 m2).
• Campus school for the children of the faculty.
• Indira Gandhi Auditorium at HAU
• Gandhi Bhawan, serving as the Directorate of Extension Education
• HAU Campus Hospital, a 50-bed hospital for the university community.
• Government High School at HAU opened in 1980
• HAU Faculty Club
• HAU Faculty House
• HAU Farmers' Hostel and Kisan Ashram for visiting farmers
• Residential Buildings (970 at Hisar and 242 at outstations) for staff and faculty
• Shopping Centre with grocery shops, banks, post office, book stores etc.
• HAU Community centre complex
• Academy of Agricultural Research and Education Management (AAREM)
• HAU Counselling and Placement Cell which provides students the opportunity to interact with National and International organisations for facilitating the job opportunities and other activities related to their career advancement.

(Source:- https://en.wikipedia.org/wiki/Chaudhary_Charan_Singh_Haryana_Agricultural_University)