UPSC Mechanical Engineering Optional PYQ Papers September 3, 2025May 16, 2025 by Admin2025Mechanical Engineering IMechanical Engineering II2024Mechanical Engineering IMechanical Engineering II2023Mechanical Engineering IMechanical Engineering II2022Mechanical Engineering IMechanical Engineering II2021Mechanical Engineering IMechanical Engineering II2020Mechanical Engineering IMechanical Engineering II2019Mechanical Engineering IMechanical Engineering II2018Mechanical Engineering IMechanical Engineering II2017Mechanical Engineering IMechanical Engineering II2016Mechanical Engineering IMechanical Engineering II2015Mechanical Engineering IMechanical Engineering II2014Mechanical Engineering IMechanical Engineering II