When did inhabitants first use tools in the Indus Valley?

Primary tabs

6500-4500 BCE (Neolithic)
46% (123 votes)
4500-3500 BCE (Chalcollithic)
11% (28 votes)
3500-1800 BCE (Bronze - Indus)
22% (59 votes)
2 million years ago
21% (55 votes)
Total votes: 265