हड़प्पा में पहला व्यवस्थित उत्खनन, जिसके कारण हड़प्पा सभ्यता की खोज हुई, किस वर्ष शुरू हुआ 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?