भूकंप मुख्य आघात तरंगों के शुरू होने से पहले प्रघाती तरंगों के रूप में _________ आवृत्ति की __________ उत्पन्न करते हैं।

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?