निम्नलिखित में से किसे काली खांसी (परटुसिस) की पुष्टि के लिए, विशेष रूप से बीमारी के शुरुआती चरणों में, एक निश्चित उपचारात्मक निदान तरीका माना जाता है?

Which movement aimed to promote Khadi, a hand-spun and handwoven cloth native to India?

Who were prominent leaders associated with the initial phase of the Telangana Rebellion (1946-1951) against the Nizam's rule and feudal landlords?

What was the immediate trigger for the Revolt of 1857?