Four types of essays are considered from the point of view of the subject.
Places, objects, seasons, scenes, festivals etc. are described in such essays. Like Holi, Deepawali, Dussehra etc.
In these essays, events, journeys, festivals and introductory essays of individuals are written such as rail travel, school anniversaries etc.
In this, introductory, explanatory or analytical writing about an idea, problem, emotion etc. is called a thoughtful essay. Such as Doordarshan and education, friendship, benefits and disadvantages of science etc. are examples of similar essays.
In essays, sentiment prevails. Essays on topics like philanthropy, virtue, patriotism and national language are included in such essays.