M.A Eligibility

Yes, you should have a graduation degree and that's all for doing MA.

Yes, you can change your profession to philosophy but only if you feel that it is good for you. Before going into this field, you should analyse this field and find it is compatibility with your interest.
You can find the list of best colleges in India and you can find the information regarding admission, eligibility on the same page:
https://www.shiksha.com/humanities-social-sciences/philosophy/colleges/colleges-india

Yes, you are eligible, some of the great universities such as JNU (Jawaharlal Nehru University) offers this program. JNU is among most prestigious university in India. You can go with through this link
https://www.google.com/amp/s/www.shiksha.com/humanities-social-sciences/political-science/course/amp/m-a-in-political-science-jawaharlal-nehru-university-mehrauli-delhi-268820

Yes, you can apply but you should have at least 50% marks in graduation.

yes, you can apply for the course part time or you can do the same in distance education.
good luck

Hi, yes, you can apply for any Masters course at the University of Delhi. But here the catch is you need to give an entrance exam. Once you crack it and clear the cut-off you'll be welcomed with opened hands.
Hope this helps!

Yes, you can apply for all the posts, which require only graduation degrees, like railway, post office, police, SSC, state PCS, UPSC and many more. For admission in MA, you need to have a graduation degree. Just wait for the notification of the college you want to get admission for MA.

Yes, they will conduct the entrance test for M.A in English. The syllabus will be all basic of your B.A course, plus common subjects. Minimum percentage required is 60% only. Prepare well for the entrance.
Best of luck.

If you have completed your BA then you can directly pursue your MA. Otherwise, you have to complete your graduation first for proceeding to the next level.