National Emergency ie. NE(352)    Grounds of Deceleration    1) In case of   attack from out side    External emergency       2)External aggression       3)Armed rebellion(added in 44th amendment in   1978 instead of internal disturbance)    internal emergency       Approval    352   declared by President has effects for only 1 month    (added   in 44th amendment act which was earlier 2 month)       So it must pe passed by both the houses within   this period of one month by special majority(ie. Majority of total members   and not less then 2/3rd present and voting)    before   44th ammendment it was simple majority       one approved by the house, it has its effect   for 6 month, which can be extende to an indefinit time by repeating 6 month   approval rule          if lok sabha fails to approve the proclamation   of emergency due to its dissolution, and the same proclamation has been   passed by upper house then NE will sustain till 30 days after the...