A person who is a member of a country is called

Doctors gives _________ to protect us from diseases such as Cholera and Polio

Whom do you consult if you fall ill ?

Who collects letters from the letter boxes maintained by the Postal Department?

The policeman who controls the traffic at the traffic junction is called

It is a policeman's job to catch thieves and

The letters reach the post offices of different places by bus, train or

Who maintains law and order and protects our life and property.