Nutrition is the study of nutrients in food and their relationship to health. Nutrients like proteins, carbohydrates, fat, vitamins, minerals, fiber, and water provide nourishment. Imbalances in nutrients can increase health risks. Food provides energy, repairs tissues, builds cells, regulates body processes, and protects against disease. Foods are classified and people have different nutrient requirements. Deficiency diseases can result from lack of proteins, vitamins, or minerals. Treatment and prevention are important. Family planning involves contraceptive methods that help space births to improve maternal and child health. This reduces population growth pressures on resources, empowering women and promoting development. India faces challenges from its large and growing population, which is