From 2011, Civil Services aspirants have a different examination pattern to follow. The government has approved a proposal for an aptitude test to replace the existing optional subject paper of the preliminary exam.According to the present preliminary exam format, candidates have to answer a general studies paper and an optional paper which the candidate chooses from the 23 subjects offered by UPSC.New format With the new format, candidates answer two objective type papers which are the general studies paper and the General Aptitude Paper. Consequently, the Civil Services preliminary examination will be referred to as Civil Services Aptitude Test (CSAT). While only the preliminary exam changes, so far there are no changes planned for the format of the main exam and interview.Both the papers of the CSAT will carry equal marks and is easy and helpful for graduates of all fields and genres. It is completely transparent in terms of marks and has no disparity, meaning an equal game to all. With everyone preparing in a similar pattern, all students have equal opportunity in the exam.Benefit of an aptitude testThe benefit of introducing aptitude tests in the civil exam is that it assesses your logical reasoning and thinking performance. It is based on multiple choice questions answered in exam conditions.No subject influences, or can have an effect on an aptitude test. People, who have a sense of moral and ethical values, are logical in their thinking and who take sensible decisions will find the CSAT to be comparatively easy.With the implementation of the CSAT, it is possible to choose better and more competent civil servants who have the right aptitude. It will also bring the use of scaling systems to an end. Civil servants will thus be chosen based on their ability of handling the tough decision making life of civil servants and not based on their expertise on a single subject.