M studying b.el.ed(2nd year). I've chosen histry as my optionl sbjct. Wht educatnl optns do i hav aftr b.el.ed if i want to teach till 12th?

Can i do subject specialisation other than in history after b.el.ed? I want to teach after b.el.ed and continue with my studies too. Will it be possible to get job in a good reputed school of delhi after doing my PG studies from correspondance ? or shall I complete my studieS 1ST???