first understand the syllabus the first and basic step for exam preparation is to analyze the syllabus....you should make a study schedule and follow it religiously. You must follow it for at least 3-4 days and then you will get used to it and try to Solve Previous Year Question Papers ...Always, clear your basics first and then proceed to problem-solving... Other than this the best study material for GK and English section is reading a book, novel, newspaper, blog, etc...