1902 में शुरू की गई निम्नलिखित में से किसे भारत की पहली प्रमुख जलविद्युत परियोजना 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?