निम्नलिखित उद्योगों में से कौन सा मुख्य रूप से तेलंगाना की 'सिरसिल्ला त्रासदी' (Sircilla Tragedy) से संबंधित 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?