Among Hindus, the date of Shankara is controversial; some date him to c. 500 BC. In this case, I wholeheartedly support the conventional date established by Indologists, among other reasons because his choice of Dwarka for his Western matha, and not Hinglaj (west of the Indus) as intended, fits neatly with the fact that the latter area had passed under Muslim control in the early eighth century.