B.Ed

Yes, you can do that, but provided all other conditions are met.

Applications are through IGNOU website, register yourself as a new student and then select your regional study center and course, then pay for it.

Do check whether the course is recognized by UGC before applying, they do have some issues with UGC recognition

There is no maximum age limit to pursuing B.Ed course but in general you can apply in between 21yr-35yr.
But for many correspondence B.ED courses there is no age limit generally. There are minimum Eligibility for Correspondence B.ED:-
1. 2years of experience in teaching in a school recognized by the GOVT.
2.GRADUATION/POST GRADUATION from the recognized university.
3.50% to 55% marks in graduation.
4.NO AGE LIMIT.

Hi,
There are 50 seats each at RIE Ajmer, Bhubaneswar.

Yes, you are eligible for the same.

B.Ed can be done after graduation or you can join a B.Sc +B.Ed course after class 12th for 4 years. Best of luck.

Yes, you can.
For BEd you should complete your Bachelor's degree, then you can do B.Ed.

This will start in May June 2020 now.

No, you have to do B.Ed first, you can pursue M.Ed.