The University has the following faculties under which various colleges have been established:

A. Faculty of Agriculture:

There are three Colleges under this Faculty, viz., College of Agriculture situated at Jorhat established in 1948; Biswanath College of Agriculture (BNCA) at Biswanath Chariali, about 250 km from Jorhat, established in 1988; Sarat Chandra Singha College of Agriculture (SCSCA) at Chapar, about 600 km from Jorhat, established in 2010. The Post Graduate (PG) degree programmes are offered in the selected disciplines of the College of Agriculture, Jorhat and the Biswanath College of Agriculture, Biswanath Chariali.

The degree programmes offered by the Faculty of Agriculture are as follows:

1. B.Sc. (Hons) Agriculture of 8 semesters
2. M.Sc. (Agri) of 4 semesters
3. M.Sc. (Food Technology) of 4 semesters
4. MBA (Agri Business) of 4 semesters
5. Ph.D. in Agriculture of 6 semesters

B. Faculty of Veterinary Science:

This Faculty comprises of two Colleges, viz., College of Veterinary Science situated at Khanapara, Guwahati and Lakhimpur College of Veterinary Science at Joyhing, North Lakhimpur located at a distance of 300 km and 440 km from AAU Headquarters, respectively. The College of Veterinary Science, Guwahati had its origin in Assam Veterinary College established in 1948 at Nagaon. The College was shifted to the premises of the Directorate of Animal Husbandry & Veterinary Department, Government of Assam at Chenikuthi, Guwahati in 1950. Later in l960, the College was again shifted to its present location at Khanapara, Guwahati. This College was affiliated to the AAU in 1969. The Lakhimpur College of Veterinary Science at Joyhing offers only Bachelor of Veterinary Science & Animal Husbandry (B.V.Sc. & A.H.) degree programme starting from 1988 onwards.

The degree programmes offered by the Faculty of Veterinary Science are as follows:

1. B.V.Sc. & A. H. of 5½ years (including internship of 6 months)
2. M.V.Sc. of 4 semesters
3. Ph.D. of 6 semesters

C. Faculty of Community Science:

The College of Community Science (previously known as College of Home Science) was established in 1973 at AAU Headquarters, Jorhat.

The degree programmes offered by the Faculty of Community Science are as follows:

1. B. Sc. (Hons) Community Science of 8 semesters
2. B. Sc. (Hons) Food Nutrition & Dietetics of 8 semesters
3. M. Sc. (Home Science) of 4 semesters
4. Ph. D. in Home Science of 6 semesters

D. Faculty of Fisheries Science:

The College of Fisheries, established in 1988 at Raha, Nagaon, 200 km away from Jorhat and 100 km away from Guwahati on National Highway No. 37 offers following degree programmes:

1) B. F. Sc. of 8 semesters
2) M. F. Sc. of 4 semesters
3) Ph.D. of 6 semesters

E. Faculty of Horticulture:

The College of Horticulture and Farming System Research, Nalbari established in 2014 is about 400 km away from Jorhat .The degree programme offered is B.Sc. (Hons) Horticulture of 8 semesters.

The Departments offering undergraduate courses are:

1) Basic Science
2) Floriculture & Landscape Architecture
3) Fruit Science
4) Natural Resource Management
5) Plant Protection
6) Post-Harvest Technology
7) Social Science
8) Vegetable Science

F. Faculty of Sericulture:

The College of Sericulture, Titabar established in 2014 is about 25 km away from Jorhat (Presently being run from A.A.U. Headquarters, Jorhat). The degree programme offered is B.Sc. (Hons) Sericulture of 8 semesters.

The Departments offering undergraduate courses are:

1) Agriculture & Allied Subjects
2) Basic Sciences & Humanities
3) Cocoon Crop Production
4) Host Plant Production
5) Sericulture Crop Improvement
6) Silk Product Science