Hello Student

You have not mentioned your question  state you belong to. Qualification for trained graduate teachers of any subject is is in which subject of graduation you have done and a B.Ed has been completed with that respective course of study. As you have done your Bed with BA qualification with Sanskrit and Hindi then you you are eligible for  apply for the teachers of Sanskrit only. There is no question of applying for trained graduate teachers for the subject of mathematics.

Hope this helps.