हाल ही में जीआई (GI) टैग प्राप्त अंबाजी संगमरमर (Ambaji Marble), जो अपनी दूधिया-सफेद उपस्थिति और स्थायित्व के लिए जाना जाता है, मुख्य रूप से किस भारतीय राज्य में पाया जाता 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?