How to choose optional subjects for the CSS examination is one query that disturb many aspirants who’re unable to decide on this element of the Civil Service exam. It is always higher to pick out one’s optional concern well ahead of time, to be able to have enough time to acquire notes and books, and additionally to form examine groups.
Normally one should pick optional, with which one is acquainted with, or has at the least studied till the graduate level. If you aren’t comfortable with your issue of observe at the degree level, then you should select the challenge as consistent with your interests after going through the available study material on it.