आवर्त सारणी के दूसरे एवं तीसरे आवर्त में क्रमशः कितने तत्व होते हैं?

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?