If the determinant (1+α) 2 (1+2α) 2 (1+3α) 2 (2+α) 2 (2+2α) 2 (2+3α) 2 (3+α) 2 (3+2α) 2 (3+3α) 2 = -648α, then the value of α is:

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?