निम्नलिखित में से किस प्रागैतिहासिक काल को एक 'जटिल' शिकारी समाज (complex hunting society) के रूप में जाना जाता है?

In general Indian historical timeline contexts, the Neolithic Age is broadly estimated as:

Microliths (small stone tools) are a characteristic feature of which prehistoric age?

The Palaeolithic Period is also known as the ______.