'वाद, प्रतिवाद, संवाद' (Thesis, antithesis, synthesis) की त्रयी किस दार्शनिक की द्वंदात्मक पद्धति से जुड़ी 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?