The correct answer is B. Philosophy.
Upanishads are ancient Hindu texts that contain some of the most important philosophical concepts in Indian thought. They are considered to be the source of Vedanta, one of the six major schools of Hindu philosophy.
The Upanishads are a collection of over 200 texts, which were written over a period of several centuries. They are written in a variety of styles, from poetic to prose, and they cover a wide range of topics, including metaphysics, epistemology, ethics, and yoga.
The Upanishads are considered to be the most important texts in Hinduism, and they have had a profound influence on Indian culture and thought. They are still studied and debated by Hindus today.
Here is a brief explanation of each of the options:
- Politics: The Upanishads are not concerned with politics. They do not discuss the structure of government or the principles of political philosophy.
- Medicine: The Upanishads are not concerned with medicine. They do not discuss the diagnosis or treatment of diseases.
- Social life: The Upanishads do discuss social life, but this is not their primary focus. They are more concerned with the individual’s relationship to the divine and to the world.