बुलेटप्रूफ सामग्री ख़े निर्माण में किस बहुलक ख़ा व्यापक रूप ख़े प्रयुक्त 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?