Humanities & Social Sciences

Hello Sarvesh, Normally speaking graduation in the subject is a must for pursuing PG in that subject. However there are some exceptions. IGNOU allows any graduate to pursue M.A. In psychology. You may download brochure cum application form for the course from their website. http://www.ignou.ac.in/ignou/aboutignou/school/soss/programmes/detail/405/2
Best wishes to you.

Yes, this is a correspondence course. Entrance is not necessary.

To get admission in this college you should at least have above 85 percentage.

No, there are no known colleges that provide the both programmes as an integrated course, one usually completes the Masters and then chooses a prominent institute to finish their Ph.D. The same college may offer both these programs.

Yes, you can pursue B.A. Hons economics without maths.
https://www.shiksha.com/humanities-social-sciences/colleges/b-a-colleges-india
Use this link to know about the colleges and their fees.

Yes, you are eligible to get admission here for MA in psychology. However, as your percentage is less you will get admission after the 2nd and 3rd list.

Hi,
Yes, you can change your subject from Science to Arts for under graduate course. You will get admission as well. But it is very important to choose the right subject and does that subject has a scope in making up a career. Research on this before you choose the subject.

Yes, you can get admission in Ramjas College for B.A Political honors, so you can apply for admission.
Good luck.