किस सूफी कवि ने अपनी साहित्यिक कृति में छपे हुए कपड़े का उल्लेख 'खंड छाप' के रूप में किया 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?