Note that in written exam you have been tested on your domain knowledge and analytical skills but now you will be tested on soft skills like expression of thoughts, hand writing, creative writing.
Essay is crucial for you, many of you who will be able to write a stanza might score a point over others and more so, you might be asked questions from you Essay in Personal interview.
Essay writing can’t be improved overnight and it requires immense practice on verity of subjects.
It is suggested that you must develop habit of reading beyond text books. Complete loop between understanding and not understanding. This will get you success in Essay writing test.