मनोवैज्ञानिक दृष्टिकोण से, चिंता (Anxiety) को मौलिक रूप से किसके प्रति एक प्रतिक्रिया के रूप में परिभाषित किया गया है?

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?