Explanation: The Andaman and Nicobar Islands is home to four Negrito and two Mongoloid tribes.

• Those belonging to the Negrito origin – the Great Andamanese, the Onge, the Jarawas and the Sentinelese – are still at hunting-gathering stage of economy.
• Tribes of Mongoloid origin are Nicobarese and Shompen.

Source: Kerala NCERT