2 to 3 years preparation is enough for UPSC exam For the Civil Services ExaminationCivil Services ExaminationMarch 2022) The Civil Services Examination (CSE) is a national competitive examination in India conducted by the Union Public Service Commission for recruitment to higher Civil Services of the Government of India, including the Indian Administrative Service, Indian Foreign Service, and Indian Police Service.https://en.wikipedia.org › wiki › Civil_Services_ExaminationCivil Services Examination - Wikipedia, first of all, after your 12th studies, you should take the decision that you have to go to the Civil Services. It takes at least 2 to 3 years to prepare for Civil Services.Jan 30, 2022