What topics come under Indian Geography for UPSC prelims & mains?

Indian Geography is a score-able subject with proper syllabus segregation. Mainly one must know the difference between Environment and Ecology topics and have a blueprint of the syllabus with maximum marks.

so that time of preparation will not be wasted and has a high possibility of scoring well. Some major sub-topic to be covered in Physical Indian Geography are Physio-graphic divisions, Drainage, Climate, Vegetation, Natural Resources, and Basics of India. Location, latitude, longitude, time zone,  Physical features, River systems, Minerals and industries – mineral distribution, industrial policies, location. Fauna and Economic infrastructure etc.