How to write an essay? Arivu is a book written by the well-known teacher Thulasi Kottukkal. Writing an essay is one of the big challenge faced by the students. He/She needs to write essays as part of their assignments, examinations, seminars, or competitions. Thulasi Kottukkal is here to guide them. In this work, 'Thiranjedutha Upanyasangal' by Mr.Thulasi Kottukkal gives the necessary ideas about writing essays with ease. In this book, 20 essays with a wide variety of topics are included. This is helpful for general users also.