Dear student,
BA in English is an under graduate degree course of three years by the central universities. Whereas, English literature is vast set of epics, drama, plays, prose and poetry that let you peep into a particular genre or era of a century. In the BA you have to simply read, study all prose and poetry, but in literature you have to read deeply about the English language origin, history and development.
With BA English base you can teach up to middle school but with special English literature you can teach the PG students.
And more important an honours degree in English literature is a specialised degree in that particular subject. It is more intensive and more subject focussed.
So, I would suggest you to choose according to your interests and needs.
Hope it helps, good luck!
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