Constitution   of India - Emergency Provisions
No  Chapter of the Constitution has been subject of more  acrimonious attack by the  critics than those dealing with the emergency  provisions. The Constituent  Assembly witnessed one of its most  agitated scenes during the discussion of  these provisions. Many  prominent members of the Assembly opposed the inclusion  of these  provisions in the Constitution as they thought that they were   inconsistent with the democratic provisions embodied elsewhere. The  majority of  the members, however, favored the inclusion of these  provisions, although  reluctantly, as a precautionary measure, against  possible disruptive forces  destroying the newly established Union. The  Constitution provides for three  different categories of Emergency and  in each case the President is  empowered to  declare the emergency.     War   Emergency
If the  president is  satisfied that a grave emergency exists whereby the security of  India or any part of its territory is  threatended by war, external aggression or  armed rebellion, he may  proclaim a state of emergency  under Article 352. It may  be proclaimed even before the actual  occurrence when external aggression is  apprehended. But no such proclamation can be made by the  President unless the  Union  Ministers of Cabinet rank, headed by the  Prime Minister, recommend to him,  in writing, that such a  proclamation should be issued. The proclamation may be  revoked  subsequently; if not, it shall be laid before both Houses of Parliament.  If Parliament does not approve  of it within one month, it will become  ineffective.
As soon  as the emergency  is proclaimed, the federal provisions of the Constitution cease  to  function in the area affected by the proclamation. As a result, there is  a  two-fold expansion of the authority of the Union. First, the  executive power of  the Union will extend to the giving of any direction  to any State executive in  the emergency area. Secondly,  Parliament's  law-making power will extend to  the subjects enumerated in the Sate  List. Further, the President is empowered to  prohibit by order the  distribution of revenues that are normally to be assigned  to the Sates  under the financial provisions of the Constitution. However, all  such  orders have to be placed before each House  of Parliament for its approval.  The combined effect of the  operation these provisions is the emergence of  full-fledged unitary  Government.
 Constitutional Emergency in the States
If the  President is  satisfied on receipt of a report from the Governor or otherwise  that a  situation has arisen in which the Government of a Sate cannot be carried   on in accordance with eh provisions of the Constitution, he is  empowered to  proclaim an emergency under Articles 356 and 365. As  a result, 9I) he may assume  to himself all or any of the functions of  the State or he may vest all or any of  those functions in the Governor  or any other executive authority, (ii) he may  declare that the powers  of the State legislature shall be exercisable by  Parliament; and (iii)  he may make any other incidental or consequential  provisions necessary  to give effect to the objects of the Proclamation. The  President,  however, cannot assume to himself any of the powers vested in a High   Court. The proclamation will have to be approved by both the Houses of   Parliament in the same manner in which a war emergency proclamation has  to be  approved.
 Suspension of  Fundamental Rights: During the period of emergency, as   declared under the either of the two categories discussed above, the  State is  empowered to suspend the Fundamental Rights guaranteed under  Article 19 of the  Constitution. The term 'State' is used here in the  same sense in which it has  been used in the Chapter on Fundamental  Rights. It means that the power to  suspend the operation of these  Fundamental Rights is vested not only in  Parliament but also in the  Union Executive and even in subordinate authority.  Further, the  Constitution empowers the President to suspend the right to move  any  court of law for the enforcement of any of the Fundamental Rights. It  means  that virtually the whole Chapter on Fundamental Rights can be  suspended during  the operation of the emergency. However, such order  are to be placed before  Parliament as soon as possible for its  approval.
 Financial  Emergency : If the President is satisfied that a situation has   arisen whereby the financial stability or credit of India or any  part of its  threatened, he may declare a financial emergency under  Article 360. The  proclamation in this case also should be approved by  Parliament as in the other  two cases of emergency. During the financial  emergency, "the executive authority  of the Union shall extend to the  giving of directions to any State to observe  such canons of financial  propriety as may be specified in the direction" or any  other directions  which the President may deem necessary for the purpose. Such   directions may include those requiring the reduction of salaries and  allowances  of Government servants and even those of the Judges of the  Supreme Court the  High Courts.
An  Analysis :  So far, there have been four occasions when emergency of the  first  category was proclaimed by the President : 
1962 (Chinese aggression),An analysis of these instances would indicate the purpose and the manner in which, in actual practice, a proclamation of emergency in the States will be made by the President. These may be summed up in the following terms :
1965 (Indo-Pakistan war),
1971 (Indo-Pakistan war before the emergence of Bangladesh) and
1975 (internal emergency).
-  
The essential condition for the intervention by the Centre is the political instability of the State, that is the virtual breakdown of the Parliamentary System of the Government. -  
The Union will watch the situation of instability with utmost caution and provide every opportunity for the formation of an alternative ministry. -  
The proclamation of emergency will only be the last resort when (i) the existing ministry does not have the confidence of the legislature; and (ii) no alternative ministry can be formed. -  
During the period of emergency, the legislative work of the State will be transferred to Parliament Delegation of such work to any administrative boy will be reduced to the minimum. - As soon as the political situation within the State becomes conductive to a responsible Government, it will be restored.
 
 Generally speaking in  practice, the emergency provisions for Central  intervention in cause of  breakdown of Constitutional machinery in the States  have proved to be  not only a protective device for responsible government in  politically  unstable States but also a blessing to political parties who ere   unwilling and incapable to shoulder responsibility for a time on account  of  group rivalries or any other unfavorable circumstances. During a  period of  emergency, it is natural that the Executive becomes unusually  powerful. This is  a tendency of governments all over the world,  federal or unitary. The experience  of parliamentary democracies  indicates that a Parliament is vigilant and through  the members of the  opposition particularly. it manages to compel the Executive  to account  for all its actions. Thus, Parliament has the power to check the   Executive whenever the latter goes beyond reasonable limits. Emergency   provisions. do not, in any way, cut Parliament out of the picture and  Parliament  has always the right to call the Executive to order; and if  they find that the  Executive has exceeded its powers in regard to the  operation of any of the  provisions enacted under the emergency laws,  they can always pull it up, even  dismiss the ministry and replace it.
How  effectively  Parliament would and could function during a period of national  emergency was a subject of  speculation until 1962 when the President proclaimed  emergency under  Article 352. But the manner in which Parliament has dealt with  the  emergency shows that instead of the Executive arrogating to itself the   powers of Parliament in the name of emergency. Parliament has subjected  to  Executive to greater control and security in all its actions vitally  affection  the nation. In fact, the debates in Parliament demonstrated  the eagerness with  which the Executive sought the approval of  Parliament not only with regard to  the action already taken by the  Government but also that proposed for the  future. 
The only  exception to  this in practice was the internal emergency period of 1975-77.  There  was widespread abuse of executive power in many part of the country in   many forms during this period. The extent of abuse became clear only  after the  lifting of emergency in 1977. Naturally the new Parliament,  which came into  being after the general elections of march 1977, was  interested in prevention  the repetition of such a situation in future  and hence initiated steps to amend  the Constitution suitably to limit  the powers of the Government to proclaim  internal emergency.
The 44th  Amendment  adopted by Parliament in December 1978 ensures that the proclamation  of  emergency can be made only on the basis of written advice tendered to  the  President by the Cabinet. Internal disturbance not amounting to  armed rebellion  will no longer be ground for declaration of emergency.  Emergency can be  proclaimed only when the security of the country is  threatened by war, external  aggression or armed rebellion. As an  additional safeguard, proclamation of  emergency will require approval  within a month by a resolution of Parliament by  a majority of the total  membership and not less than two-thirds of the members  present and  voting. The provisions for financial emergency, again, show how the   framers of the Constitution have drawn upon the experience of the  working of  federalism elsewhere. 
Finally,  one may  consider the provision for the suspension of Fundamental Rights   Apparently, this is by far the most unwholesome provision in the  Constitution.  The provision for the suspension of Constitutional rights  does not means,  however, that with the proclamation of emergency,  there will be an automatic  suspension of Fundamental Rights. It may be  quite possible to keep the  enforcement of the Fundamental Rights intact  and there need not be a universal  suspension throughout the country  merely by reason of the proclamation. Further,  the order of suspension  should be placed before Parliament and it will be free  to take whatever  action it deems fit.
The  working of the  Constitution, so far, shows that the suspension of Fundamental  Rights  took place rarely. That happened as a result of the proclamation of   national  emergency in 1962, 1965, 1971 and 1975.
In  contrast to the  national emergencies mentioned above, Fundamental Rights were  never  suspended during any of the emergencies proclaimed in the States. That   remains a good precedent. Even during the national emergency, suspension  of  Fundamental Rights should be restricted to the absolute minimum.  There have been  only few instances so far of the Union Executive  behaving high-handedly towards  the States or ignoring Parliament in the  name of emergency. The apprehension  that the President may act as a  dictator is not one of the acute discomforts of  our political thinking.  On the other hand, the emergency provision have been, on  the whole,  justified when viewed from the experiences of the past.
sOURCE--http://www.rajputbrotherhood.com/knowledge-hub/political-science/constitution-of-india-emergency-provisions.html