Explanation:

Around 700CE. Katyuri dynasty established by Vasu Dev in the region They called their state Kurmanchal, the land of Kurma, the second avatar of Vishnu, from which the present name is derived. Their capital was Kartikeyapura (morden day-Baijnath) and the Gomati Valley came to be known as the Katyur Valley after the ruling dynasty. during their reign they dominated lands of varying extent from the Katyur Valley (modern-day Baijnath) in Kumaon, between 7th and 11th centuries C.E., and established their capital at Baijnath in Bageshwar district; which was then known as Kartikeyapura and lies in the centre of Katyur Valley. Brahmadev Mandi (a trading and business center in a flat area of the then Katyuri dynasty) in the Kanchanpur District of Nepal was established by Katyuri king Brahma Dev. Brahmadev Mandi still exists by this name.