निम्नलिखित में से कौन से निशाचर जानवर रात में वस्तुओं को मुख्य रूप से केवल काले और सफेद रंगों में देख सकते 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?