Apart from IGNOU, no other university offers decent corresponding B.Ed degrees. It is better to join a regular B.Ed course in your nearest possible university or college. Regular B.Ed courses will teach you how to give micro lessons in a school. 

Attend classes frequently, if you can’t be present every day. Courses such as B.Ed are best to do in regular mode. Because recommendations of the B.Ed professors, the grade and response of the actual school where you taught, will count.