 These coins were issued by Gobhada and Samagopa, who are believed to be local pre-Satavahana rulers.Based on these discoveries, Kotilingala is believed to be a town of the ancient Assaka (also Andhra or Ashmaka) mahajanapada.The mud fortification, protected by a stream on its east and the Godavari river on its west, indicate its high political and commercial significance.