वर्ष 2023 में बिहार जाति आधारित गणना का पहला चरण औपचारिक रूप से किस सटीक तारीख को शुरू हुआ था?

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?