the format for the essay is :
the heading of the essay
introduction for about 8 to 10 lines or even 1 paragraphs
the topic in brief for about 16-20 lines or even 2 paragraphs
the conclusion for about one paragraph or 8 to 10 lines
the essay will have 4 paragraphs in which first one will be of introduction and the next two paragraphs will be of the brief about the given topic and the next paragraph will for the conclusion.