Selection of a career after PUC and Class 12 is really a million dollar question in the s of the aspiring candidates.
Counselling may also help. They provide the details on what are the career options available for students pursuing higher education after class 12 Board examinations.
You should not have any confusion on your department. In these days lots of institutes are available to do the course. If you have a clear vision then you can go directly into that particular depatment.
Otherwise they make you to chose what they are offering. This will leads you to a big disappointment when you notice you are not in a right track which you are interested in.
Anyhow thanks to the wide number of career options and internet, students can now very well sit back and analyze the prospects of various fields.