असमान पवन अपरदन के कारण किस भू-आकृति का आधार संकीर्ण और ऊपरी भाग चौड़ा, छतरी जैसा होता 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?