73वां संवैधानिक संशोधन अधिनियम, जिसने पंचायती राज प्रणाली को संस्थागत रूप दिया, किस तिथि को लागू हुआ?

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?