पारंपरिक रूप से 'मैं जानता हूँ कि मैं कुछ नहीं जानता' कथन किस प्राचीन दार्शनिक से संबद्ध 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?