when emergency is declared whatever may be the reason behind the declaration throughout the whole territory of the state it is called emergency. On the other hand when emergency is declared in particular area of unitary state it is called partial or state emergency. 

There are three types of emergency -

1.Emergency of War:when emergency is declared as a result of war or extarnal aggression it is called emergency of war.

2.Emergency of Subversion :when emergency is due to disturbance within the state to suppress civil war or any anti-government movement or riot in any particular area of Bangladesh it is called emergency of subversion. 

3.Economic Emergency :when emergency is declared with a view to overcoming a situation in which the country if the states is about to break down or has broken down its called economic emergency.