This document lists 34 mechanical, electrical, and computer engineering projects for polytechnic and engineering students. The projects cover a wide range of topics including renewable energy systems, transportation systems, material handling equipment, industrial machines, and automotive systems. Some examples of projects listed are a side stand retrieving system for two wheelers, a wind powered car, a bicycle operated can crusher, a vertical dam gate mechanism, an electrical power generation system using railway tracks, a solar powered air cooler, and a wall painting robot.