निम्नलिखित पंक्तियों में कवि द्वारा किस छंद युक्ति (metrical device) का उपयोग किया गया है? 'Full many a flower is born to blush unseen, And waste its sweetness on the desert air.'

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?