King Mahindhrathiraj reigned the kingdom from 2106 to 2111 B.E and secondly reigned. In 2112 B.E., King Bayinnaung of Burma lead his army to besiege Ayutthaya. King Mahindhrathiraj then begged his father to return to the throne and to be an army commander in chief. Ayutthaya lost in this battle because of the betrayal, Praya Charkree, was a spy for the Burmese army.Burmese army besieged Ayutthaya for a mounth until nearly the rainy season.Ayutthaya lost on Sunday the eleventh day waning moon in the nineth month,August 2112 B.E., only 20 days before the surrounding area will be flooded.