B.Tech, Bachelor of Technology is an undergraduate engineering course of 4 years duration. There are various specialisations under this course-
- Mechanical Engineering
- Computer Science Engineering
- Electrical Engineering
- Civil Engineering
- Aerospace Engineering
All these courses are different and can be chosen by the candidate according to their field of interest and career opportunities. But nowadays, the emerging career options are usually from CSE branch. After completing B.Tech CSE, you can get good placement in a MNC.
Other popular courses are Civil and Mechanical Engineering which are useful for the students aspiring for government jobs too.
Above all, you can go with any specialization and then complete M.Tech in that subject, and you can join an engineering college as a teacher or take up your own organization. The thing that matters is determination and dedication.