Which Article of the Constitution of India was amended in 2002 to insert clause 'k', which states: 'who is a parent or guardian to provide opportunities for education to his child or, as the case may be, ward between the age of six and fourteen years'?

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?