Analysis of information sources in references of the Wikipedia article "Gosanimari" in English language version.
In the year 1260, Sandhya shifted his capital from present day Guwahati to Kamtapur in present day Cooch Behar. This change he made was to avoid frequent skirmishes created by the neighbouring Kacharis along the southeastern border and to facilitate the king to effectively engage the invading Muslim rulers from south-western states.