गारो, खासी तथा जयन्तिया जनजातियाँ मुख्य रूप से किस राज्य में निवास करती हैं?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?