Teaching & Education

No, physical education will not be counted in the best 4 subjects for admission to BA (Hons) in history.

The form is available online on the official website. Here is the link:
http://alagappauniversity.ac.in/academic/department/about/38

Please refer to the link to know the details about the hostel:
http://www.riemysore.ac.in/hostel-for-students/

Please refer to the link for better understanding of the eligibility:
http://www.gujaratset.ac.in/eng/04elig.php

Yes, the certificate will be considered valid. However, it would be an added advantage if NCTE approval is there.

The fee is approximately 15K.

Where have you applied? Changing of the subject is at the discretion of the college.

Minimum Eligibility to apply for this course is that Candidates must have a minimum of 50% marks (45% in case of OBC,SC,ST &PH) either in Bachelor's or Master's degree in Sciences/Social Sciences/Humanities are eligible for this course.
B.E/B.Tech with specialization in science or mathematics with 55

You need to have all the relevant academic certificates and domicile certificate.

yes , you can apply for Mass communication , you are eligible for the same. As mass communication will give you lot of career opportunities so you will get to do many new things in it. You will get good career.
Good luck.