वर्ण व्यवस्था से सम्बन्धित 'पुरुष सूक्त' मूलतः किस ग्रन्थ में पाया जाता 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?