"आपूर्ति अपनी माँग का स्वयं सृजन करती है" यह कथन किस अर्थशास्त्री से संबंधित है?

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?