For the following questions answer them individually
Who among the following was not a chief minister before he/she became the Prime Minister of India?
Winch country topped the list on "World Happiness Index", 2015 published by the Sustainable Development Solutions Network (SDSN)?
Four pair of words are given below out of which three are alike in some manner and one pair is different. Which is different from the rest?
........... enacted during an emergency imposed by Mrs. Indira Gandhi, is also known as mini constitution because of important & large number of changes made to it.