BCA

As you have mentioned, you are looking for colleges offering BCA, this link is been suggested by Shiksha. Com, it has details regarding fee structure, admission process, rankings and reviews. These details will help you to choose the best college in your locality.

Cyber Security is itself an important aspect. However, it also depends on your own capability of understanding the entire subject. You can also pursue CISSP, certification which covers all the aspects of cyber security. I hope this would suffice.

For BCA, you must have any one of subject must be mathematics. You may be from commerce, arts or Science but must have one subject as mathematics. Otherwise you will not be eligible for BCA.

There are over 68 MCA colleges in Bangalore. Please refer to the link provided below for a detailed list of these colleges, along with their fee structures. You should be able to navigate to a college of your choice using the filters on the web page. https://www.shiksha.com/it-software/colleges/mca-colleges-bangalore.

In Eastern India, IEM Kolkata is best for BCA. In 2018, IEM has generated 223 offer letters for only 100 students. 23 students got 1 job offer, 31 students got 2 job offers, 14 students got 3 job offers, 12 students got 4 job offers, 6 students got 5 job offers, 3 students got 6 job offers.

BCA Placement Summery of 2018 Pass out Batch:23 students got 1 job offer, 31 students got 2 job offers, 14 students got 3 job offers, 12 students got 4 job offers, and 6 students got 5 job offers 3 students got 6 job offers.

No, it is possible through commerce stream. You should have PCM as your subject in order to get admission in B.Sc and have some technical and science to get admission in M.Sc-IT.
Regards.

Yes, It is indeed possible. It is offered by BITS-Pilani. Since, BCA is a 3-year degree programme, the duration of M.Tech course is 4 years (for B.Tech/BE students, it is 2 years). BITS-Pilani has a separate division called WILP (Work integrated learning programmes), wherein working professionals can continue their higher studies. Wipro offers its candidates M.Tech through WILP BITS-Pilani. Students work on live projects from Monday to Friday, attend M.Tech classes on Saturday and have their semester exams also conducted on Saturday/Sunday.