Civil services prelims

It requires a detailed and in-depth preparation...with the introduction of CSAT, the pattern of test has changed...first go through the syllabus and then mark your startegy...if possible enroll with some good coaching institute (although with planned self study u can clear too)...u can also get study material by post from various institutes besides books of many publishers are also available in market...the knowledge gathered by you in your day to day life in past years will also matter.