The 'Inca culture' is associated with which of the following regions?

In which of the following regions are Pygmies found?

Which of the following is not a tribe of middle Indian region?

Which of the following regions is the original habitat of the Toda Tribe?

Which of the following regions is the original habitat of ‘Toda Tribe’?

Which one of the following tribes from India's North-East had the earliest known association with cultivation and production of tea?