Introduction Chemistry is often called the central science because it connects physics, biology, and environmental studies. In competitive exams like NDA and CDS, Chemistry plays an important role in testing not just memory, but also logical understanding of basic concepts. Among the many topics in Chemistry, Acids and Bases and Elements, Mixtures, and Compounds form … Read more
For every NDA and CDS aspirant, Current Affairs plays a decisive role in the written examination as well as in the interview stage. In recent years, UPSC has increased the weightage of questions related to national and international events, defense exercises, economic developments, awards, science & technology, and important government policies. To master this vast … Read more
When preparing for competitive defence exams like NDA (National Defence Academy) and CDS (Combined Defence Services), aspirants often focus more on subjects like history, polity, and current affairs. However, Economics plays a vital role in the General Knowledge section and should never be underestimated. One of the most effective ways to prepare for economics is … Read more
When preparing for competitive exams like NDA (National Defence Academy) and CDS (Combined Defence Services), aspirants often focus on building conceptual knowledge but underestimate the power of practice through Multiple Choice Questions (MCQs). Among all subjects, Geography holds a significant place in the General Knowledge section. To master it effectively, solving MCQs becomes not just … Read more
Introduction Biology, the science of life, provides the foundation for understanding living organisms and their interactions with the environment. Among its many branches, the study of the Animal Kingdom and Plant Kingdom holds special importance. These two kingdoms represent the majority of life forms on Earth, contributing not only to biodiversity but also to human … Read more
Biology is one of the most essential subjects in the NDA and CDS examinations, as it helps candidates develop a clear understanding of life processes and the structural organization of living beings. Among the various topics, Animal Tissues, Plant Tissues, and Genetics play a vital role in forming the foundation of biological knowledge. These topics … Read more
Geography is one of the most crucial subjects in the General Knowledge section of the NDA and CDS examinations. It not only checks an aspirant’s understanding of physical and human geography but also evaluates their ability to connect concepts with current affairs and real-life scenarios. For many students, the vastness of geography can feel overwhelming. … Read more
For every NDA and CDS aspirant, Indian Polity is one of the most crucial sections of the General Knowledge (GK) syllabus. Questions from polity are asked regularly in both exams, covering topics like the Constitution, Fundamental Rights, Directive Principles, Parliament, President, Prime Minister, Judiciary, and more. To master this subject, solving Multiple Choice Questions (MCQs) … Read more
Biology is one of the most important subjects in the NDA and CDS examinations, especially in the General Science section. It forms the foundation for understanding the human body, plants, and various diseases that affect daily life. A clear grasp of biological concepts not only helps in solving objective questions but also builds awareness about … Read more
Introduction In today’s session of NDA and CDS 2025 Physics (Miscellaneous – Class 2), we delved into key concepts essential for mastering competitive exams. The class was designed to strengthen conceptual clarity while connecting theoretical knowledge to practical applications. The topics covered included Nuclear Energy, Simple Harmonic Motion (SHM), and a comprehensive Revision of important … Read more
