Meera Nanda in Open:
Indians tend to affirm their claims on yoga by trotting out the familiar icons of the ‘5,000-year-old Vedic tradition,’ which supposedly stretches from the Pashupati seal of the (actually very unVedic) Indus Valley civilisation to the Bhagvad Gita and the venerable Yoga Sutras of Patanjali. Yoga, Indians like to solemnly declare, is ‘eternal’ and ‘timeless’ and all the great yoga masters, from Swami Vivekananda to BKS Iyengar to Baba Ramdev of our own time, have only restored or reinstituted an ancient practice. It is also commonplace to hear Indians—even those who are not particularly spiritual themselves—blame Americans and other ‘decadent’ Westerners for reducing their spiritually rich tradition to mere calisthenics.
Lately, Hindus in America have started flying the saffron flag over American-style yoga, which consists largely of yogic asanas and stretches. The leading Indo-American lobby, Hindu American Foundation (HAF), has recently started a vocal campaign to remind Americans that yoga was made in India by Hindus. Not just any ordinary Hindus, but Sanskrit-speaking, forest-dwelling Brahmin sages who learned to discipline their bodies in order to purify their atman. The purist Hindu position, articulated by the HAF, is that all yoga, including its physical or hatha yoga component, is rooted in the Hindu religion/way of life that goes all the way back to the Vedic sages and yogis.
There is only one problem with this purist history of yoga: it is false.