B.Tech Computer Science and Engineering

Yes, you can get it.

Yes, there are many options. Till the time you can join a BPO based company and do job there while clearing your backlog.

Dear Sushila,
The best colleges for B.Tech CSE in Bangalore are:
1. R. V. College of Engineering (RVCE)
2. BMS College of Engineering (BMSCE)
3. PES University (PES, Bangalore)
4. M. S. Ramaiah Institute of Technology (MSRIT)
5. Amrita School of Engineering - Amrita Vishwa Vidyapeetham.

There is no minimum or maximum marks that you have to score. You have to score at your best because the best score you make pave your way for best college. If you score more than 170, you can easily get admission in college you want in whatever branch you want. If you want to see detailed cut-off for colleges, you can visit the official website:
www.dtemaharashtra.gov.in
Hope this will help you.
Good luck.

A Valid JEE score is must.

You have to secure under 7500 rank. Only then, you will be able to get the admission in the main campus with CSE branch.

Colleges have seats for Management Quota also, so you can visit colleges of your interest for discussion, but highly reputed college might not give admission. But, if your ward is serious about doing B.Tech in CSE, then it is not necessary to study in highly reputed college.

You should get good marks JEE Mains and advanced or get direct admissions through management quota or state level CET. All the best for your bright future!

CT University has tie up with various educational and corporate entities. Moreover, it has limited seats in B.Tech which limits the competition.
Highest salary package was offered around 8 LPA.

See, changing current college doesn't guarantee that the next college in which you take admission is good and up to the mark of expectation and in almost all the government colleges teaching is not quite good. So, I'll prefer you to take up the responsibility on your shoulder and start learning on your own. You can learn from the online platforms that are available free of cost.