Bachelors

No, you can't. For the reputed college, you should have atleast 65%.

Which course you are asking for?

Well, Distance Learning Law degree is not recognized by the Bar Council Of India, and thus you will not be eligible to appear for Judicial services exams. Only candidates having a regular degree in law are eligible.

For Placements, almost 95% of the companies set the eligibility criteria of 60% or more throughout for the placements.

Hi, you can check all mass communication courses here:
https://www.shiksha.com/mass-communication-media/colleges/colleges-india
Click on the course names for entrance exams, colleges etc.

It will be better if you go for a graduation related to Mathematics. Because it will eventually help you in your preparation for IIT JAM Mathematics.

Please mention the course, college/university name for better assistance.

It all depends on your interest.I am also planning to go UK, Singapore or USA for my bachelor's degree.you should try for bachlor and master both.

It is great that you want to go for higher studies, but I can see you being confused of what to choose, let me make it clear you have opportunities to do MBA in Geoinformatics in India in few colleges across. Why don't you try those colleges? You want to sustain and you have a dream work rightly on it you will create a great career opportunity ahead. MBA will you give you managerial skills and to specialize your field of interest also. So, I put forward this suggestion for you. I hope this was helpful.