Ethics, Integrity and Aptitude – GS Paper 4 of the Civil Services Mains Examination needs to studied from different sources which can help you score more. Read to find the sources where you can study for this paper with an edge over others.
The topic Ecology and Bio Diversity is a very important topic for both Prelims and Mains of the UPSC Civil Services Examination. It is topic mentioned as part of the syllabus for both Prelims and as part of Paper – IV General Studies – II Mains Syllabus. Here’s a book for the static part of the syllabus.