वैज्ञानिक पद्धति में, औपचारिक अनुसंधान प्रक्रिया आमतौर पर निम्नलिखित में से किस चरण से शुरू होती 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?