Hello. 

B.Ed. Is a 2 year post graduate degree in the field of Education. B.Ed. is a highly acclaimed degree in a India as it is the minimum requirement for teaching in any reputed school or college of India. B.Ed. in mathematics can be opted by any student who has taken mathematics as a main subject in his or her graduation. This course can be done by B.Sc maths or B.A math students. 

There are certain eligibility parameters that one has to fulfil to study B.Ed. in mathematics. The students must have acquired a minimum of 55% aggregate marks in their graduation level. They must also have passed one of the many entrance examinations conducted for B.Ed. course. 

Hope this answers your question and good luck!