This book covers all the essential topics and concepts the students need to excel in their preliminary exams. The expert author has distilled complex topics into concise, easy-to-understand summaries. Save time and focus on what matters most. The quick reference provides easy access to vital information during your crucial time for preparation. The most important aspect during preparation is the student's time. The book has been meticulously crafted in a concise form and easy-to-understand summaries for each subject, ensuring that you grasp essential concepts quickly and effectively. Gain access to proven study techniques and strategies that have helped numerous candidates successfully clear their preliminary exams. Learn how to manage time effectively, improve your memory, and stay motivated throughout your preparation. Salient features Meant for MPPSC and other CSE Dual-coloured material to highlight the key points and keywords Important points and explanations concerning each unit R