Why does a democratic country need a Constitution?

Answer: There are various reasons why a democratic country needs a Constitution.

1. The basic ideals on the basis of which we as citizens aspire to live in our country are mentioned in the Constitution.
2. It tells the fundamental nature of society
3. To define the nature of the political system of the country.
4. It states a set of rules based on which people belonging to different religions and communities can peacefully co-exist with each other.