भारतीय सेना और रक्षा भू-सूचना विज्ञान अनुसंधान प्रतिष्ठान (DGRE) ने भारत का पहला हिमस्खलन निगरानी रडार किस राज्य/केंद्र शासित प्रदेश में स्थापित किया?

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?