Union Personnel, Public Grievances and Pensions Ministry(DoPT) has announced the syllabus for the aspirants of India's elite services (IAS, IFS, IPS and others)  for the 2011 preliminary examination, which, besides aptitude and other skills, will also test candidates on their knowledge of  environmental ecology, biodiversity and climate change.
   The examination will consist of two papers. Paper I and II are each worth 200 marks each and have been allotted two hours each. In Paper I, candidates will be tested on their knowledge of current events of national and international importance, Indian history, the Indian national movement, Indian and world geography, including the physical, social and economic geography of India and the world. Questions will also be asked on the Indian polity and governance as well as the Constitution, the political system, panchayati raj, public policy and rights.

Candidates will have to be prepared for questions on economic and social development, sustainable development, poverty, inclusion, demographics and social sector initiatives, furthermore, general issues like environmental ecology, bio-diversity, climate change and general science will also be expected.
Paper II will consist of English language comprehension skills of the Class X level, interpersonal skills, including communication skills, logical reasoning and analytical ability, decision making and problem solving as well as general mental ability.
Candidates will be tested on basic numeric skills of the Class X level such as numbers and their relations, orders of magnitude and data interpretation.

For more information click on this link CSAT Syllabus 2011.