अक्षरों का निम्नलिखित में से कौन सा समूह जब बाएं से दाएं क्रमिक रूप से रखा जाएगा तो दी गई श्रृंखला को पूरा करेगा? abb_dabbc_abb_dab_cd_bbcd

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?