UGC

https://www.shiksha.com/college/aima-all-india-management-association/ugat-exam
You will find all the true and authentic information about your college here.

Yes, students who have done master's from correspondence, are eligible for the UGC NET exam. It's not necessary to do regular post-graduation courses. Only you should have a minimum of 55% aggregate marks in master.

Yes, of course, dear student M.A. in Advertising and PR at Amity University, Mumbai is a UGC recognised, you can go ahead with this.

Dear student, it is my pleasure to help you and give your question answer in a better way so that you can understand and satisfy
dear student if you have a Ph.D. article and you want to publish it in UGC journals then you have to apply for it online then you will be able to publish it.

Check out the following - https://www.shiksha.com/mca-master-of-computer-applications-chp.

Why not you can apply for it and get admission.

https://www.shiksha.com/mba/colleges/distance-correspondence-mba-colleges-Kolkata
You may find one from this list.

Yes, As per the articles, I have seen that Madurai Kamraj University is UGC, Delhi approved but for distance learning courses and for other than distance learning courses, I have doubt about that.

No, General Knowledge questions won't be asked in the exam but general aptitude might come in the exam and you must have proper practice for that and if you have solved even some of the logical reasoning questions then I am pretty sure that you would nail it. Best of luck.