निम्नलिखित में से कौन सा अक्षर-संख्या समूह दी गई श्रृंखला को तार्किक रूप से पूरा करने के लिए प्रश्नवाचक चिह्न (?) को प्रतिस्थापित करेगा? TKF 4, SJE 8, RID 12, QHC 16, ?

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?