Hello Satyam,

Agricultural Engineering is the branch which deals with the  science and technology of producing food grains. The disciplines of animal biology, plant biology and mechanical, civil, electrical and chemical engineering principles with the knowledge of agriculture principles are combined in agricultural Engineering.
After complting BE/BTech in Agricultural Engineering, student can pursue MTech/MS in various specializations according to their interest and skills. Some of the specializations are- Farm Machinery & Soil and Water Conservation, dairy and Food Engineering, etc.
Good Luck!