English Spl

Hi Aditya, most IELTS coaching materials are available online. A number of audio video books are also available. You may or may not take a coaching. It is upto you. Enrolling into coaching will help you communicate face to face in English with your teachers and batch-mates which may not be possible in an online home class. So it is upto you to decide.

Impressiveness is the noun form.

The Hindu is the best newspaper. You can also read Indian Express.

I suggest that you should practice reading English paragraphs loudly. You check the sound of all difficult words. Then, read loudly. Repeat and each time, use a new tune. If you practice this way for a couple of months, you will find yourself fluent.

Pronunciation and sentence formation should be given the utmost importance. Always try to learn new and meaningful words because without good vocabulary you can not speak good English.

The combination is good. Both, the subjects are viable in the present day aspirations. Both may fetch jobs, or further prospects.

Yes, it will be good for you to pursue MA English from DU for your future prospective.
All the best.

Its possible, march ahead.

First, read English newspapers and books. Second, try to strengthen your vocabulary and form correct grammatical sentences.