भारत का संविधान पूर्ण रूप से किस तिथि को लागू हुआ, जिससे भारत एक सम्पूर्ण प्रभुत्व सम्पन्न लोकतंत्रात्मक गणराज्य बना?

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?