B.Tech

Salary depends on the number of certified courses you have learnt and your attitude and talent in the interview. If you want a really good salary, become a data scientist as the coming future is for theirs.

Yes, there is a special course for mobile applications in B.Tech. along with your general CSE, you will be a knowing it by your 2nd or 3rd year of your B.Tech.

Yes, regarding information security, our college (Jain University) has a specialised course. You can get certificates as you had done some of the required courses in information security.

Depends whether you are pursuing from a government or a private college. It will range from 3.5 lakhs to 8 lakhs for the entire course.

Chitkara is better for B.Tech in CSE as per its academic reputation and industry exposures, It has been ranked as one of the best private university by various factors on the basis of its infrastructure, pedagogy, faculty and more important its placements concerns.

You need to learn stuff outside your college course and at the same time maintain a decent CGPA. Decent CGPA is important so that you atleast qualify to sit for placements in the companies coming to your campus and you will have to acquire skills which you do by doing tutorials or MOOCs online. If y

Dear,
Weakness in one branch & strength in other branches of a particular subject is not.
And for math it is true also. But the challenge is to convert your weakness into strength. Integration part of Calculus is not so difficult that you can't manage - and you need not to be hesitant for pursuing B.

Check the reviews below:
https://www.shiksha.com/college/university-institute-of-engineering-and-technology-chandigarh-21446/reviews?course=176230&sort_by=year+of+gradution&type=question