Agricultural Engineering includes studies on computers, various parts and its working; internal combustion engine and farm machinery i.e. ploughs, cultivators, harrows, harvesters, sprayers and dusters, seed drill, electric motors; greenhouse technology; pressurized irrigation system; post harvest technology i.e. handling, drying, storage etc; watershed management including study of different treatments. Surveying and Leveling of land for irrigation, drainage, construction of farm building and roads etc.