प्राथमिक उत्पादकों से उपभोक्ताओं तक ऊर्जा का प्रवाह मुख्य रूप से किसके द्वारा 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?