Historically, Indian economic thought can be divided into four periods. They are Ancient Economic Thoughts, Medieval Economic Thought, Nineteenth Century Economic Thought and Twentieth Century Economic Thought. Information regarding ancient economic thought is lying scattered in the old Indian scriptures, such as, Vedas (Rig, Sama, Yajur, Atharva), Upanishads, Brahmanas, Epics (Rāmāyana, Mahābhārata). Smṛities (Particularly those of Manu, Yājnavalkya, Śhukra, Vidur, Kāmandaka and Nārada). Kauṭilya was the important economic thinker, whose Arthaśāstra’ has been considered the most authoritative work on ancient economic thought.