History of constitution

Constitution:-
As far as the history of contitution is concerned it is very old.A primitive man was used to live.When these man begin to live in the form of family and tribes.They need rules & regulations to run the family .Then these men created rules&regulations known as constitution:

There are 3 types of constitutions of Pakistan

1)1956 constitution
2)1962 constitution
3)1973 constitution

Now a days,1973 constitution is running in Pakistan.

3 Salient features of All constituions of Pakistan

1956 Constitution:
1)Urdu and Bengali as a national language
2)Sovereignty of Allah accepted
3)Country as an Islamic republic

1962 Constitution:
1)Urdu and Bengali as a national language 
2)A written constitution
3)Sovereignty of Allah accepted

1973 Constitution:
1)A written constitution
2)Urdu as a national language
3)InDirect mode of elections