Which of the following Vedic Literature deals with philosophical facts?

Upanishads

The correct answer is Option 2- Upanishads

The Vedic literature that deals with philosophical facts is the Upanishads.

The Upanishads are a collection of philosophical and spiritual texts that are part of the Vedic corpus. They are dated to around 800-500 BCE, and are considered to be the foundational texts of Hindu philosophy.

The Upanishads explore a wide range of philosophical topics, including the nature of reality, the relationship between the individual and the Brahman (the ultimate reality), and the path to liberation from the cycle of birth and death.