कौन सी अल्पकालिक नदी राजस्थान से होकर बहती है और बिना किसी महासागर तक पहुंचे थार मरुस्थल की रेत में विलीन हो जाती 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?