क्रांतिकारी नेताओं भगत सिंह, सुखदेव और राजगुरु को किस विशिष्ट मामले में मृत्युदंड की सजा सुनाई गई थी?

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?