पृथ्वी की सतह द्वारा प्राप्त होने वाली आने वाली सौर विकिरण को किस रूप में जाना 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?