Around which year was Haji Ali Dargah of Mumbai first constructed

The Haji Ali Dargah was constructed in 1431 in memory of a wealthy Muslim merchant, Sayyed Peer Haji Ali Shah Bukhari, who gave up all his possessions before making a pilgrimage to Mecca. The bench in its order noted that the instant order was in continuation of the order passed by it on 13^th April.