Immigration laws have been made very strict by many of the countries due to the terrorist attacks and threats. These laws are not for hurting or humiliating the tourist or visitors by to save the native peoples life as well as the tourist people from the terrorist attacks and other misuses. So it is the duty of the every citizen to follow and obey each and every rule in immigration law. The immigration lawyers plays an important role in making awareness to the tourist people about the necessity of obeying the rules and they can help in processing all the formalities to the people. Since these laws are varying from place to place and country to country, the formalities will vary drastically and there is the importance of the immigration lawyer. Immigration law will comes under the direct control of the international law and it will be according to the political and security conditions of each government as well as that of the nation but it is mandatory that every nation have to allow the people who are having their citizenship but they have to clearly mention the purpose and the duration they are going to stay in another country if coming from a different nation as residence.