Well UPSC public administration and civil services exams aren\u2019t easy as picking hot cake. You have to go through a lot of processes that screens you out to point out and figure out the talented most individuals that are fit for the extensive responsibilities. UPSC exams are divided in 3 phases to make it sure that screening test is rigid and it only let pass the best candidates. The first screening test is referred as UPSC prelims or full form preliminary. These are the preliminary screening test that are formed to screen out the weak candidates to filter the best candidates as it is convenient to have small number of candidates to produce best quality.