61वें संविधान संशोधन अधिनियम द्वारा भारत में मतदान की न्यूनतम आयु को घटाकर कितना कर दिया गया था?

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?