History- study of the past

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Across
  1. 4. it is an example of proto history
  2. 7. our knowledge of pre history
  3. 8. famous indian archaeologist
  4. 9. extremely valuable source of information
  5. 10. pottery,tools,weapons,ornaments are called
Down
  1. 1. the years after the birth of Jesus Christ
  2. 2. written records on cave wall,rocks,clay tablets
  3. 3. It teaches us about past
  4. 5. handwritten records of the pastin bok form
  5. 6. building of historical importance