• Krishnadevaraya had to fight almost continuously on two fronts, one against the traditional enemy, the Bahmani Sultans and the other against the Orissa king Gajapati.
• There are several inscriptions graphically describing his seizure of many forts like Udayagiri, under the control of Gajapati, during the course of this eastern expedition.
• Finally, he put a pillar of victory at Simhachalam.

Source: NCERT