एक निर्वातित (evacuated) विद्युत बल्ब को तोड़ने पर तेज आवाज होती है, क्योंकि:

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?