निम्नलिखित चार युग्मों में से तीन एक निश्चित तार्किक स्वरूप का पालन करते हैं। कौन सा युग्म उस समूह से संबंधित नहीं 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?