ng the Jayaskandharar (temporary Capital) of the Palas at the time when they were surrounded on all sides by enemies.
Between 1097 and 1765 A.D.
The decline of the Pala authority in Bihar and Bengal was followed by the establishment of the Karnata in Mithila and the sena dynasties in Bengal. Both the Kanrnatas and senas claimed authority over portion of Saharsa and often entered into armed conflict.
Nanyadeva, the first of the Karnatas, extended his influence from Champaran to Purnia. Probably, the two chiefs (Nanyadeva of the Karnatas dynasty and Vijay Sena of the Sena Dynasty) were allies who fell into disagreement over division of territory. The deopna inscription of Vijay Sena indicated that Nanyadeva was defeated and imprisoned some where in Supaul Sub division. It was Gangadeva, his son who liberated him. The sanokar inscription of vallalassena proves that his rule extended up to the district of Bhagalpur.
The two sons of Nanyadeva, Malladeva and Gangadeva apparently drove the senas further east as indicated by the setting up of Gangapur Ranani (named after Gangadeva) in pargana Nishanpur Kurha and Maldiha (named after Malladeva) on the Saharsa-Purnia border. The Village Malhad ‘near Supaul is also associated with Malladeva. Gangadeva was succeeded by Narasimha deva during whose reign Mithila and Nepal were separated.
Gradually, the Tughlaq authority in Mithila weakened. Haji Illyas of Bengal taking advantage of this situation invaded Tirhut and defeated its ruler. He divided the Tirhut kingdom into two parts. As a result of this division the district of Saharsa came under the control of Oinwara rulers. The most famous king of this line was shicasimha, who issued gold coins. Vidyapati the famous poet, lived under his patronage.
After the fall of oinwaras, there was virtual chaos. The Gandhaviya Rajputs acquired power and ruled during this period
