M.A

Please refer to the link provided below for details regarding preparation tips and tricks for the CUCET UG exam. Prep Tips:
How to prepare for different sections of the exam:
https://www.shiksha.com/science/articles/cucet-prep-tips-how-to-prepare-for-different-sections-of-the-exam-blogId-14719.

To apply for MA in Hindi, you need to have minimum 50% marks in graduation.

Admission procedure for B.Ed:
Candidates are selected on the basis of their performance in the entrance exam. The selection process is usually conducted in the month of September every year. In order to take admission in the course, candidates must appear for the entrance exam. After the exam, B.Ed result is announced along with merit list by the university which allocates ranks to the aspirants according to their performance. Separate lists are issued for each category and stream followed by counselling process during which students are granted admission. Regards.

No, you can't right now. After completion of your Master's degree only you can apply for B.Ed. A minimum of 50% is required for B.Ed. So, you are eligible for that.

Please refer to the link provided below for a list of all courses offered by North-Eastern Hill University. You should be able to navigate to a course of your choice using the filters on the web page. Regards.
https://www.shiksha.com/university/north-eastern-hill-university-shillong-24782

Total number of seats: 40 seats
Reservation:
OBC- 6 seats
SC- 3 seats
ST- 6 seats
Regards.