The history of Jalpaiguri can be traced back to the Raikat family, who was responsible for controlling large estates in Baikunthapur which now lies in West Bengal. It is believed that the Raikat family had descended from the Koch dynasty. This dynasty had good control over the Karnataka Kingdom in 1515.Jalpaiguri is a city in the Indian state of West Bengal. It is the headquarters of the Jalpaiguri district as well as of the Jalpaiguri division of West Bengal, covering the jurisdiction of the five districts of North Bengal. The city is located on the banks of the Teesta River which is the second largest river in West Bengal after the Ganges, on the foothills of the Himalayas. The city is the home to the circuit bench of the Kolkata High Court, the other seat being at Port Blair in the Andaman and Nicobar Islands. Jalpaiguri features the Jalpaiguri Government Engineering College, the second campus of the University of North Bengal and the Biswa Bangla Krirangan/ Jalpaiguri Sports Village. It lies 35 km (22 mi) east of its twin city, Siliguri. The merging of the two cities makes it the largest metropolis of the region.