M.A English

Sorry, M.A. English is not offered at St. Xavier's College-Jaipur. Refer the link to know about the courses offered: https://www.shiksha.com/college/st-xavier-s-college-jaipur-51569/courses.

Cafeteria system allows you to opt for modules of your choice. While doing some language courses, you could opt for Phonetics, Linguistics, etc. in addition to the core courses prescribed. Thus, you have the freedom to opt for modules of your choice instead of getting bogged down to prescribed courses like in traditional universities.
Once you get a seat, there will be a good briefing by the authorities about the advantages of each course and the freedom of selecting the units. The teachers at EFLU are mostly very student friendly. You could also take the help of senior students who are in MA and PhD.
Important issue, get a seat.

The admission to MA in English in DU is conducted through entrance mode, so you will have to give entrance. Then, they will allot you a college as per your entrance performance. And if it is not so good, then you will not get admission in DU.
You are eligible for the entrance exam of MA in English because the minimum percentage required in graduation is 50% from any recognized university.

Yes, you can apply for admission.

M.Ed. is the degree which can be done after B.Ed. only.
but M.A Education is equivalent to M.Ed. M.A education is a Two Year Degree and can be done after B.A.

First and foremost things you should know about the NET. There isn't any separate syllabus each subject for 1st paper. 1st paper will have a common syllabus for every subject either you opt any science stream or humanities. According to the new pattern of CBSE NET from the July 2018, there will be 2 papers in each subject. Previously, it was 3 papers for each subject. Now, the new pattern is, Paper 1st will be common for all. Only 1 paper from the subject that will be know as 2nd paper. For the English syllabus, please refer to the below given link:
http://www.netugc.com/ugc-net-syllabus-for-english
Hope this helps.