Hi. First of all it majorly depends on your interest. If you like doing creative stuff, researching, basically designing and creating things, this field is appropriate for you then. There are no as such parameters regarding scope and salary. It basically depends on your will, how hardworking you are and how well you can put your ideas to create something new and innovative. You can opt any of the courses according to your core interest.
Salary package also depends on what kind of firm you are joining, like a startup, or a product company, or joining the renowned designer.
It can range from 3 lakhs per annum to 4 to 5 lakhs per annum approx. in the starting stage. Rest depends on how you are growing and learning to perform better. Chose your company wisely. You yourself will understand what is your interest and passion after studying and learning all these 4 years of curriculum and can mould your career accordingly. But make sure to be specific, figure out that thing which you can do best of.