I is marked by the presence of a fortress and eastern reservoir.
II shows expansion towards the north of the site.
The beginning of III seems to have experienced an earthquake. The fortress was transformed into a castle; attached to a bailey and a seat of authority was established. Stadium was constructed alongwith the reservoirs in the south, north and west.
IV shows evidence of extension of city walls towards the lower town. The social hierarchy was said to have the elite in the middle town and the worker and farmers in the lower town. Town roads were oriented in cardinal directions and inscriptions, seals, pottery, beads etc. were excavated.