Ancient Indian Knowledge encompasses a vast array of wisdom and practices developed over thousands of years. It includes fields such as mathematics, astronomy, medicine, and philosophy. Notable contributions include the concept of zero in mathematics and the Ayurvedic system of medicine, which emphasizes holistic health and natural remedies. Additionally, ancient texts like the Vedas and Upanishads provide insights into spiritual and ethical teachings. The Indus Valley Civilization also showcased advanced urban planning and engineering. This rich heritage continues to influence modern science, culture, and spirituality in India and beyond.