This document is a report on a six-stroke engine by student Madhvendra Verma. It defines a six-stroke engine as having two additional strokes compared to a four-stroke engine, making it more efficient and reducing emissions. It describes the main types of six-stroke engines, their basic components and workings, and compares six-stroke engines to four-stroke engines, noting advantages like higher thermal efficiency and lower fuel consumption, but also disadvantages like increased complexity and weight.