Historians such as B. N. Puri (1968) and P. C. Choudhury (1959) claim that it was absorbed much earlier in the first half of the 5th century during the reign of Kalyana Varman (422–446).[7][8]
Its capital was located near Kopili river. In the year 428 AD, an ambassador was sent to China by Davaka king, whose name according to Chinese sources is Yuegnai or Yu Chai.[9]
Gatchal Stone Pillar inscription mention that the Yavana(Muslim) crossed the boundary to move east to reach Davaka in 1362 (saka 1284). A river (identified as Yamuna) that floods during April-May helped naval forces to drive away enemies.[10]
↑Suresh Kant Sharma, Usha Sharma (2005), Discovery of North-East India: Geography, History, Culture, ..., Davaka (Nowgong) and Kamarupa as separate and submissive friendly kingdoms
↑ identified with the Davaka region of Nagaon district of Assam, the location of which, can be confirmed by the Gachtal stone pillar inscription.6 The Allahabad stone pillar inscription of Samudragupta mentions Davaka along with Samatata Шаблон:Harvcol
↑Kamrupi inscriptions associated with the Kamarupa kingdom give an estimate of its geographical location and extent.Шаблон:Harvcol
↑"As regards the eastern limits of the kingdom, Davaka was absorbed within Kamarupa under Kalyanavarman and the outlying regions were brought under subjugation by Mahendravarman." Шаблон:Harv
↑"It is presumed that (Kalyana Varman) conquered Davaka, incorporating it within the kingdom of Kamarupa" Шаблон:Harv
↑Besides these, the Chinese source clearly mentioned that the mission was sent by a king called Yueh-ai of the Kapili state whose capital city lies close to the Heng-ho or Ka- pi-li-ho river.Шаблон:Harvcol
