वर्ष 2002-2003 के भीषण सूखे के दौरान राजस्थान के कितने जिले सूखे से प्रभावित थे?

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?