निम्नलिखित में से किसे भू-तापीय ऊर्जा (Geothermal Energy) स्रोत की संभावित हानि या पर्यावरणीय चिंता माना 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?