Decline of the Pala Empire
After the death of 3rd Pala ruler Devapala, the Pala kingdom was on its way to decline. Till the rule of Devapala, Bengal ranked high among the important powers in the history of mediaeval India. He was succeeded by Vigrahapala I, whose short reign was devoid of any important event. After him, his son Narayanapala ascended the throne in 854 A.D. He showed little interest in military conquests because he was a peace loving and religious person. During the rule of Narayanapala, the Pala kingdom fell prey to the invading armies of the Rashtrakutas in 860 A.D. He was thoroughly defeated. The Pala Empire also could not escape the invasion of the Pratiharas who dealt a severe blow to the body-politic of the kingdom. Bhoja I of the Pratihara kingdom and his son Mahendrapala succeeded in seizing Magadha from Narayanapala. The Paharpur Pillar Inscription attests to the conquests by the Pratihara rulers. Taking advantage of the weakening condition of the Pala kingdom, the rulers of Kamarupa a