प्रथम आंग्ल-मैसूर युद्ध को समाप्त करने वाली मद्रास की संधि किस वर्ष हुई थी?

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?