These are some of the best universities in India for English Honours:-

Delhi University
Calcutta University
Mumbai University
Christ University

And outside India:-

Harvard University
California University
LA University

Hey!
To be very honest with you, if you want to pursue BA in English literature there's no better option than University of Delhi. It has brand name, widely regarded as one of the finest universities in India, has been graded A+ by NAAC
and is inexpensive.

Best of luck!