Optional

1. PUBLIC ADMINISTRATION by M KARTHIKEYAN
Public administration is one of the most popular optional subjects candidates opt for in the UPSC civil services exam. The subject deals with the administration of government which would facilitate you as a future administrator. It’s also considered to be easy and simple to perceive. Resource materials available are also plenty and easy to access. As an add on, the subject has a lot of topics extending over in general studies papers too. Pursuing the subject would assist you in performing well in the essay paper and Personality test.  
  
 
2.SOCIOLOGY by S RIJESH
Sociology deals with our society which we are the part of.  The aspirants one or the other way connected to the society and hence, understanding Sociology is much easier. It also enhances critical thinking as the subject deals with all the aspects of a person’s social life that include Governance, Economy, Ethics, class, religion etc.  Critical thinking is regarded as a much needed quality to excel in the Mains exam.
 
 
3.HISTORY by R BALASUBRAMANI
The Subject is very static in nature and the questions are highly predictable. The optional has more convergence with Prelims such that the entire History and Art & Culture preparation is covered. For mains it covers one-third area of GS Paper I. One of the best scoring optional.
Strong hold in History helps u to have a clear understanding of all GS Subjects.
Defined syllabus.. optional is highly synchronized with NCERTS

4.TAMIL LITERATURE by DR SHANKARA SARAVANAN
The syllabus of the Civil Services Exam for Tamil Literature optional includes the history of the language, its literary history, recent trends in the study of the language and the cultural heritage of the people. It also includes important works in ancient, medieval and modern Tamil literature and the various forms of writing used by Tamil writers.