Mention any three sources of ancient Indian economics thoughts.

The main source of ancient economics are Veda, Upanishad, Smiriti, Purna, Mahakavya, Niti Sahitya and khand kavya and Sanskrit sahitya. There are four Vedas which are Rigveda, Yajurveda, Samveda and Atharvaveda. Upanishad are between 108 to 220 including Isavasya, Taittiriya etc. and more than 100 Smiriti like Manuscript and 18 Puranas like Bhagwat purana, Agni purana, 2 Mahakavya which are Ramayana and Mahabharat. Rig Veda contains hymns about their mythology, the Sama Veda consists mainly of hymns about religious rituals, the Yajur Veda contains instructions for religious rituals, and the Atharva Veda consists of spells against enemies, sorcerers, and diseases