विश्व स्तर पर कुल दर्ज प्रजातियों में से भारत की समृद्ध जैव विविधता का योगदान कितना प्रतिशत 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?