In the historical evolution of Indian excise duty, which specific mechanism was introduced in 1986 to mitigate the cascading effect of taxation by allowing manufacturers to claim credit for duties paid on inputs?

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?