The first step towards preparation is to understand the examination syllabus and pattern of the well.
English Language: English section is included in almost every competitive examination to check the understanding of the candidates of the language. To attain proficiency in this section, candidates should get hold on the basics of grammar and language as most of the questions are framed on these topics. They should start reading newspaper on daily basis and must use the newly learnt words in framing sentences.
Reasoning Ability: This is a very time consuming and tricky section and the only way to get good marks in this section is to practice more and more from several sources. Candidates should practice questions from the previous years' question papers and should devise shortcuts to solve the questions quickly.
Quantitative Aptitude: This section evaluates numerical ability of the aspirants. To attain good marks in this section, candidates should learn formulas and should learn the logic behind a particular question rather than blindly following shortcuts. Practice more and more and take online mock tests to gain speed.