The Mlechchha dynasty ruled Kamarupa

Kamarupa (History)

Kamarupa, also called Pragjyotisha, was the first historical kingdom in Assam that existed between 350 and 1140 CE i.e for almost 800 years. Ruled by three dynasties from their capitals in present-day Guwahati and Tezpur, it covered the entire Brahmaputra river valley and, at times, North Bengal...

 from their capital at Hadapeshvar in the present-day Tezpur

Tezpur

Tezpur is a city and the administrative headquarters and municipal board of Sonitpur district in the state of Assam in northeastern India. Tezpur is an ancient city on the banks of the river Brahmaputra and is the largest of the north bank towns with a population exceeding 100,000...

 after the fall of the Varman dynasty

Varman dynasty

The Varman dynasty ruled Kamarupa from 350 to 650. Pushyavarman the first historical ruler of Assam established this dynasty in c350 AD...

. The rulers were aboriginals, though their lineage from Narakasura

Narakasura

In Hindu beliefs, Narakasura or Naraka is the asura son of the earth goddess Bhudevi and Lord Vishnu in his Varaha Avatar . In other sources, he is the son of the asura Hiranyaksha. He is said to have established the kingdom of Pragjyotisha in Assam after overthrowing the last of the Danava king...

 was constructed to accord legitimacy to their rule. According to historical records, there were twenty one rulers in this dynasty but the line is obscure and the names of some intervening rulers are not known. The Mlechchha dynasty in Kamarupa was followed by the Pala kings

Pala dynasty (Kamarupa)

The Pala dynasty of Kamarupa ruled the kingdom from 900 CE to 1100 CE. Like the Pala dynasty of Bengal, the first ruler in this dynasty was elected, which probably explains the name of this dynasty "Pala". But unlike the Palas of Bengal, who were Buddhists, the Palas of Kamarupa were Vaishnava...

.

According to some historians, the remnant of the Mlechchha kingdom formed the later Kachari kingdom

Kachari Kingdom

The Kachari Kingdom was a powerful kingdom in medieval Assam. The rulers belonged to the Dimasa people, part of the greater Bodo-Kachari ethnic group...

  based in Dimapur and the Sutiya kingdom based in Sadiya

Sadiya

Sadiya is a small town in the Tinsukia district of the North-eastern Indian state of Assam. It stands on a grassy plain, nearly surrounded by forested Himalayan mountains, on the right bank of what is locally considered the main stream of the Brahmaputra river...

after being driven south and east by Brahmapala of the Pala dynasty.

Rulers

• Salasthamba (650-670)
• Vijaya alias Vigrahastambha
• Harshadeva alias Harshavarman (725-745)
• Balavarman II
• Pralambha alias Salambha
• Harjjaravarman (815-832)
• Vanamalavarmadeva (832-855)
• Jayamala alias Virabahu (855-860)
• Balavarman III (860-880)
• Tyagasimha (890-900)