भारत को ब्रिटिश शासन से किस तिथि को स्वतंत्रता प्राप्त हुई थी?

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?