Colleges in Karnataka - Other

No, it does not offer M.Com along with Ph.D.
Refer the link to know about the programs offered by Central University:
https://www.shiksha.com/university/central-university-of-karnataka-karnataka-other-32702/courses

Hello Debabrata,
You have scored good marks in ISC. BA in Mass Communication is also a very good subject to study. It's challenging but full of opportunities. I'm attaching a link that will give you all the required information.
https://manipal.edu/mu/academics/programs-list.html?filter=humanities

Geology is a Branch in which you have to combine all of the subjects related to bio and geology. But Applied geology is specialization in which you have to only focus on geology. It is a specialization in that course. And geology is a course. Best of luck.

With this rank there are only 50% chances.

Yes, you can get admission in CSE branch in Karnataka Central University for B.Tech (UG level).
Best of luck for your future and if there's any query, feel free to ask.

Hello dear,
Directly apply for college through online mode.
Leave a query on online mode, they will probably call you back and guide you better. There is no such barrier for other state level candidate.