HOW TO RECORD YOUR ANSWER IN PAPER PANCIL MODE:
Most paper-pencil tests require you to record your answers on a separate answer sheet so that they can be scored quickly. A sample of the Answer sheet used on Indian Railways may be seen here. The answers are marked on the Answer sheet by fully darkening the circles which go with your answers. Use blue ball point pen. Remember you are not permitted to change your answers.
HOW TO RECORD YOUR ANSWER IN CBT MODE:
In computerised based test you are required to record your answers by clicking mouse on one of the alternatives for a question. A mock test will be available before aptitude test so that you can get familiar with the test.The answers marked can be changed in test within the time limit specified for the test.