In the 11th century CE, after the decline of the Pala dynasty, a Hindu king, Adi Sura,  brought in five Brahmins and their five attendants from Kannauj, his purpose being to provide education for the Brahmins already in the area, whom he thought to be ignorant, and to revive traditional orthodox Brahminical Hinduism. These Vedic Brahmins were supposed to have nine gunas (favoured attributes), among which was insistence on same-rank marriages.
In the 11th century CE, after the Pala dynasty's decline, King Adi Sura introduced five Brahmins and their assistants from Kannauj with the aim of educating the local Brahmins, whom he considered uneducated, and to revive traditional Hinduism. These Vedic Brahmins were expected to possess nine desirable attributes, including a strong emphasis on same-rank marriages.