Same applies while dealing with the big 60 marker question in GS and optional papers.
It’s a continuous and long process takes some diverse reading before you’ve enough content to write something decent and something big enough to fill 20 pages to fetch 100 marks. I wrote it only from the foriegn policy and law-n-order point of view, without seeing the cultural -historical contexts. Moral of the story: do try to see different angles of the subject and give a thorough thought before you start writing. What you write on paper will tell the reader how you think, how you argue and the way you substantiate your viewpoint.This is why for most competitive examinations and academic entrance tests, essay is mandatory.This suggestion also applies while dealing with Public Administration (optional subject). Don’t write too many proverbs / quotes/ (invented) case studies/examples per page.It makes the examiner think that you’ve no input of your own so you’re just filling up the pages.Its Easier to criticize a non working things than to fix it.(Remember this all time during essay.) Donot give filmy solutions to real life problems.I collected useful quotes, prepared notes and even made rough essay drafts for frequently asked topics.All this effort in essay paper helped me score 155.This ideological clash between the superpowers led to several proxy wars, a nuclear arms race and a rapid deterioration of world security.Also, I believe that learning numerous words by rote will not make them stick in your brain for long.