Bangalore

Please refer to the link provided below where you can find important information for a distance MBA from CVRU in Bilaspur. You can download their brochure which contains admission procedures followed, entrance exams(if any), course eligibility, rankings and reviews etc.
https://www.shiksha.com/mba/co

Yes, you have to apply separately as the choice of college in the MAT application is not an application to the college.

Please refer to the links provided below for a list of colleges which offer courses in B.Sc from Bangalore and Pune. You should be able to navigate to a college and course (PCM) of your choice using the filters on the webpage.
https://www.shiksha.com/science/colleges/b-sc-colleges-bangalore
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Dear Raghib,
If you're aspiring to make a good career in IT, I will strongly suggest you to go for B.Tech-M.Tech combo. If you posses high skills in programming, then there is no problem pursuing it in an average college.
All the best for your future.

Please refer to the link provided below for details regarding the NEET exam for 2018 whose dates shall be announced early next year. Important details like exam pattern, syllabus, etc are mentioned at the link provided below.
https://www.shiksha.com/medicine-health-sciences/medicine/exams/neet-ug

There are only two colleges across India which offers M.Sc (Information Security and Cyber Forensics), mentioned below are the names:
University of Madras
Center of Excellence in Digital Forensics - CoEDF