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When did the use of iron begin in Indian subcontinent?
68th BPSC
Around 12000 years ago
Around 6000 years ago
Around 9000 years ago
None of the above
Which one of the following periods is also known as Chalcolithic Age?
44th BPSC
New Stone Age
Copper Age
Iron Age
None of the above
The first Human Fossil was found from which River Valley of India?
66th [RE] BPSC
Ganga Valley
Yamuna Valley
Narmada Valley
Damodar Valley
