The updated 4th edition of the book 15 Year-wise CDS & CDS OTA Samanya Gyan Solved Papers (2009 - 2023) consists of last 15 years from 2009 Paper I – 2023 Paper II solved papers of Samanya Gyan. # In all there are 30 Question papers from 2009 to 2023. # Practicing these questions, aspirants will come to know about the pattern and toughness of the questions asked in the examination. # The book contains 3600+ MILESTONE MCQ’s from the above 30 Question papers. # The strength of the book lies in the originality of its question papers and Errorless Solutions. # The solution of each and every question is provided in detail (step-by-step) so as to provide 100% concept clarity to the students.