Who wrote the ancient book "Arthshastra"?

Kautilya

The correct answer is Option 2- Kautilya

The ancient book "Arthshastra" was written by Kautilya, who is also known as Vishnugupta and Chanakya. Kautilya was a scholar and statesman who served as the chief advisor to Chandragupta Maurya, the founder of the Mauryan Empire.

The Arthshastra is a treatise on statecraft, political science, economics, and military strategy. It is one of the most important works of classical Indian literature, and it has had a significant influence on Indian political thought.