Explanation:

- The Kama Sutra is an ancient Indian text on sexuality and love. It was compiled in the 3rd century.

- Option 2: Vatsyayana

- Vatsyayana is traditionally credited as the compiler of the Kama Sutra. Little is known about his life except this contribution.

- Option 1: Valmiki

- Valmiki is known for writing the epic, Ramayana.

- Option 3: Kautilya

- Also known as Chanakya, Kautilya was an ancient Indian philosopher and advisor, famous for writing the Arthashastra, a treatise on statecraft and economics.

- Option 4: Veda Vyasa

- Vyasa is known for compiling the Mahabharata and classifying the Vedas.