B.Ed is the most sought after degree that makes one eligible to apply for a teachers post. This one-year degree can be obtained after graduation. Besides regular degrees, many colleges and universities award B.Ed degree in the distance learning mode as well.

Universities like Annamalai, and MD Rohtak started correspondence BEd much before a regulatory system was formally put in place for such programmes.
And you can check the institutions that offers distance learning-

https://www.google.co.in/amp/s/university.careers360.com/articles/bed-distance-learning-it-valid%3Famp
Good luck.