अंग्रेजों ने किसके विरुद्ध अवध को मध्यस्थ राज्य (Buffer State) के रूप में रखा था?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?