1. When did the use of iron begin in subcontinents?

2. What was the method of irrigation in ancient time?

3. In which region landowners were known as Vellalars?

4. Who were grama bhojaka?

5. People who had no land of their own and worked for others were

6. What was the only resource of poor man in the story clever poor man?

7. Where was ring well found?

8. Why were the sculptures used by the ancient cities?

9. Where was salt produced plentifully along?

10. What was ring well used for?