BCA

Yes, with BCA you are eligible for MCA without Maths in class 12th. This is because, To be eligible for MCA it is not mandatory to have Maths in 10 + 2.

It doesn't depend on college . If your coding skill is good then you achieve good placement . The average placement for BCA is INR 3.2 LPA to INR 4.8 LPA.

Admissions in SPPU in MCA & M.Sc. Programmes is through the common entrance test conducted by the Computer Science Department, University of Pune. The eligibility criteria of MCA of SPPU is given below. Eligibility: Any Science Graduate (including BCA under Science Faculty) with Mathematics at 10+2 Level. So Mathematics is necessary at 10+2 level and without Math in 10+2, you will not get admission in SPPU in MCA.

There are several colleges in Bangalore offering BCA in Cybersecurity, some of the top colleges include:
Christ University
PES University
Bangalore Institute of Technology
CMR Institute of Technology
MVJ College of Engineering
You can also consider online courses or certifications offered by reputable organizations such as Coursera, Udemy, EC-Council, etc. to gain knowledge and skills in cybersecurity.

For the course of Bachelors in Computer Application, one needs to qualify 10+2 or atleast a Diploma in computer Application. So after ITI you can't do the course of BCA but you can go for course of Diploma in Computer Science & Technology.

Yes, you can, you need to qualify certain exams if you want a seat in renowned colleges or university. You should have minimum 50% in 12th (any stream) to do BCA. It doesn't matter which stream student you choose.

Yes, you can definitely pursue BCA after your completion of 12th from commerce. There are many reputed colleges in India some of them have their own entrance exam.

Yes, you can easily get admission in BCA after 12th with arts.

No, you aren't eligible for the course, as they require you to at least have mathematics as a subject in class 10th.