Pre-vedic Yoga (3000 B.C.E. – 1300 B.C.E) –excavation of Indus Valley reveals practices of yoga in that period (www.Columbia.edu)
(Shiva Pashupati “lord of the animals” Seal – Mohenjodaro Archeological Site
Ṛgveda (the oldest Indian scripture 1700-1200 B.C.E.) – The first mention of Yoga in any text occurred in the
yuñjate mana uta yuñjate dhiyo viprā viprasya bṛhato vipaścitaḥ |
Men illumined yoke their mind and yoke their thoughts to him who is illumination and largeness and clear perceiving.
(taken from Ṛgveda “Praised Knowledge” 5.81.1)