हड़प्पाकालीन स्थल 'चन्हुदड़ो' मुख्य रूप से निम्नलिखित में से किस गतिविधि के प्रमुख केंद्र के रूप में प्रसिद्ध था?

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?