संविधान के लागू होने के साथ ही किस वर्ष भारत आधिकारिक रूप से एक संपूर्ण प्रभुत्व संपन्न लोकतांत्रिक गणराज्य बना?

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?