निम्नलिखित में से कौन सामाजिक स्तरीकरण के दो प्रमुख रूपों का प्रतिनिधित्व करते हैं?

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?