Vajiram and Ravi GS Paper 4 Ethics Case Studies and Ethics Handout Notes in English for UPSC Mains and Other Competitive Exam Preparations 2022. (This Material is Printed Photocopy Study Material Printed with Advanced Printer Photocopy Machine & The photo of the study material shown in the listing is not original, the front of the study material is actually a Black and white photocopy printed on pink color pages) Notes Possesses 3 Spiral Bound booklets and a total no of 380 pages.