The chapter covers a very long period, so the timeline helps us see what happened before, what happened later, and which developments overlapped .
| Broad period | Main development shown in Fig. 5.1 |
|---|---|
| 2000 BCE onward | Kin-based polities of the Rigveda (Sapta-Sindhu region); Neolithic-Chalcolithic. |
| First millennium BCE | Janapadas and mahajanapadas, together with increasing evidence of iron-using cultures. |
| Around 300 BCE onward | Emergence of large empires, along with early political formations in southern India. |
| Later centuries up to 1000 CE | Regional empires and imperial political formations in southern India. |