How to start for UPSC exams preparation,the eligibility criteria of education

For admission in coaching class, 1. Eligibility a) Educational Qualification Any Degree from a recognized University b) Age Limit The Minimum and Maximum age limit as on 1st August is as follows i)OBC, MBC - 21 & 33 Years ii) SC/ST - 21 & 35 Years iii) OC - 21 & 30 Years II. Admission P