two examinations, one on general studies worth 150 marks, and the second on one of 23 optional subjects worth 300 marks. Until 2011, when it was revamped, the preliminary pattern was sustained with only minor changes once every ten to fifteen years. From 2011 onwards, the preliminary examination intends to focus on analytical abilities and understanding rather than the ability to memorize. The new pattern includes two papers of two hours duration and 200 marks each. Both papers have multiple choice objective type questions only. They are as follows: Paper I tests the candidate's knowledge on current events, history of India and Indian national movement, Indian and world geography, Indian polity panchayti Raj system and governance, economic and social development, environmental ecology, biodiversity, climate change and general science, Art and culture. Paper II (also called CSAT or Civil Services Aptitude Test), tests the candidate's skills in comprehension, interpersonal skills, communication, logical reasoning, analytical ability, decision making, problem solving, basic numeracy, data interpretation, English language comprehension skills and mental ability. It is qualifying in nature and the marks obtained in this paper are not counted for merit. However, it is mandatory for the candidate to score a minimum of 33 per cent in this paper to qualify the Prelims exam. In August 2014, the Centre announced that English marks in CSAT will not be included for gradation or merit and 2011 candidates may get a second chance to appear for the test next year. In May 2015, the Government of India announced that Paper II of the preliminary examination will be qualifying in nature i.e. it will not be graded for eligibility in Mains Examination and a candidate will need to score at least 33% to be eligible for grading on the basis of marks of Paper I of the Preliminary Examination. Those who qualify in the Prelims become eligible for the Mains. Mains The Civil Services Mains Examination consists of a written examination and an interview. Mains Examination The Civil Services Main written examination consists of nine papers, two qualifying and seven ranking in nature. The range of questions may vary from just one mark to sixty marks, twenty words to 600 words answers. Each paper is of a duration of 3 hours. Candidates who pass qualifying papers are ranked according to marks and a selected number of candidates are called for interview or a personality test at the Commission's