B.Ed

Yes, nowadays, certification courses of everything are available so you may learn an Indian language at certification level. This will help in many ways. Secondly, you need to consult with the particular college from which you want to do.

You have to do PhD to become a lecturer. So PG doesn't have as importance as PhD.

The last date to apply is 2nd week of July.

There are 2 modes of admission - Merit or direct and entrance exam. Candidates, who have not graduated from University of Delhi, have to apply through Entrance mode. Candidates who graduated from University of Delhi can choose to apply through merit mode or merit + entrance mode or entrance only mode (must have secured a minimum aggregate of 60% in graduation to apply through merit mode or merit + entrance mode).
Merit Screening:
Admission is based on the marks obtained in the entrance test or marks obtained in graduation depending on the mode of admission. You can apply online in DU website.

Both can't be regular programmes but you can do one in regular and another one in distance mode. Both of them will have the same value.

The minimum qualification required for entry into B.Ed course is Bachelor of Arts (BA), Bachelor of Science (B.Sc) or Bachelor of Commerce (B.Com) form a recognized board/university with at least 50% marks.

Yes, MGU-Meghalaya is valid for B.Ed teacher course.

Yes, but you need to give its state level exam and if you clear it then you can get the admission.

Sikkim Manipal Distance Learning and Amity Distance Learning will provide you Education online. Best regards.