The NDA (National Defence Academy) and CDS (Combined Defence Services) examinations are conducted by the Union Public Service Commission (UPSC) to recruit candidates for India’s Army, Navy, and Air Force.In the General Science section of the written exam, Biology holds significant weight. Topics from Human Physiology, including Locomotion & Movement and the Endocrine System, are … Read more
The Fundamental Rights are one of the most important topics in Indian Polity for the NDA & CDS 2026 Examinations. They form the cornerstone of the Indian Constitution, ensuring that every citizen enjoys basic freedoms and equality. These rights protect individuals from arbitrary actions by the State and guarantee civil liberties essential for the development … Read more
Introduction The human body performs numerous metabolic activities every second, producing useful as well as waste materials. To maintain internal balance (homeostasis), the body must remove metabolic wastes and coordinate all functions efficiently.The Excretory System helps in the removal of nitrogenous wastes, while the Nervous System controls and coordinates all body activities through impulses. Together, … Read more
India, officially known as the Republic of India, is a Union of States as mentioned in Article 1 of the Indian Constitution. NDA & CDS 1 2026 Exam Polity – India & UT The Constitution declares India as a “Union of States” rather than a federation of states, emphasizing the indestructible unity of the nation. … Read more
Introduction The human body is a complex system of organs working together to maintain life. Two vital systems that ensure energy supply and oxygenation are the Digestive System and the Respiratory System. I. Digestive System 1. Definition The digestive system is a group of organs responsible for the ingestion, digestion, absorption, and assimilation of food, … Read more
The Indian Constitution is the supreme law of the land. It lays down the framework that defines political principles, establishes the structure of government, and guarantees fundamental rights to citizens. NDA & CDS 1 2026 Exam Polity – Making of the Constitution Background of the Constitution Before India became independent in 1947, the country was … Read more
The National Defence Academy (NDA) exam, conducted by the Union Public Service Commission (UPSC), is one of the most prestigious defence entrance exams in India. NDA 1 2026 Study Plan (GAT GK) The National Defence Academy (NDA) exam, conducted by the Union Public Service Commission (UPSC), is one of the most prestigious defence entrance exams … Read more
Introduction Physics is the foundation of many scientific and technological advancements. For NDA CDS aspirants, a clear understanding of basic Physics concepts is not only essential for the written examination but also helpful in developing logical reasoning and problem-solving skills. In this revision, we will focus on some important topics—Laws of Motion, Reflection, Refraction, and … Read more
Introduction Physics is the language through which we understand the fundamental laws of nature. For students preparing for the NDA and CDS examinations, Physics plays a crucial role in testing both conceptual clarity and problem-solving skills. Among the wide range of topics, Rotational Motion and Gravitation hold special importance. These topics not only form the … Read more
Introduction Physics is the foundation of understanding natural phenomena, and for aspirants of the NDA (National Defence Academy) and CDS (Combined Defence Services) examinations, mastering its concepts is essential. Among the most important topics in the Physics syllabus are Waves and Laws of Motion. These chapters not only build the core understanding of mechanics but … Read more
