No prescribed coursework or reading is needed to sit for civil service exams. The topic for the essay portion of the exam might be anything. In the light of Tech Holding, This implies that you can’t assume any of the content in a book will be on the exam even if you purchase it. However, you don’t have to be a skilled book author to produce a great essay. The more you read, the better your essay writing will become. However, the following books may be useful if you want further guidance with essay writing.
Topics in Current Events: Essays for the Civil Service Exam, by Ramesh Singh b. Involuntary English, by A. P. Bhardwaj, Writings of Yagya Nand Jha, collected.