भ्रूणीय विकास के दौरान वास्तविक प्रगुहा (coelom) का उद्भव किस जनन स्तर (germinal layer) से 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?