92वें संवैधानिक संशोधन अधिनियम के लागू होने के बाद भारत में संवैधानिक रूप से मान्यता प्राप्त भाषाओं की कुल संख्या कितनी हो गई?

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?