संख्याओं के निम्नलिखित समुच्चयों में से किसमें ऋणात्मक संख्याएँ शामिल नहीं होती 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?