Geography is the discipline that explores and examines Earth's landscape, people as well as the dynamic and diverse relation between people and their environment. As a scientific field, it is devoted to the study of processes that leads to formation of landscape, climatic system, oceans, and ecosystem. Additionally as an applicable field, it is devoted to demographic economic aspects of study.
It is this multidisciplinary and contemporary nature of the discipline that makes it overlap with General Studies majorly (approximately 350 marks in Main and 3 topics of GS Prelims). Its scientific nature makes it compatible for students coming from any educational background. It is the simple reason that everything existing and happening around us is related to this discipline that makes it an absolute example of most preferred discipline.
Apart from being most preferred Optional in Civil Services examination, it is also the most successful optional with maximum number of students qualifying this elite services taking this optional