If you want to do English Hons at DU, you should have a good XII grade point average. If you have a talent for it, an interest in it, and have been successful at it, please go ahead and hone your knowledge of Literature. In terms of scope, after Hons with good division, you have a lot of options. 

You could try your hand at publishing and work for companies like Oxford, Tata McGraw Hill Elsevier, Sage, and others. You could work in editing or marketing and have the opportunity to meet authors and develop marketing skills for book sales. After completing Hons, you may pursue a career in journalism or mass communication. You can also pursue a Masters in Public Relations, and a plethora of opportunities will open up to you once you complete the Hons course. You can earn a master's degree in a related field and sit for the civil service exam. You can also join MNCs if you develop other skills for the relevant assignment. Remember that it is a difficult course, but it is well worth it.