During the time of teaching, classroom observation is an important process that allows the teacher to receive effective feedback about the class. Specially the language teachers can be highly benefited as it helps them to understand their progress in teaching language. Through classroom observation, it is also ensured that the class activities promote better learning opportunities for students. Moreover, classroom observation assists the teachers to know whether students are comfortable with their lessons or lessons should be revised according to students' level. Before classroom observation, observers or peers need to know the several stages through which the process should be accomplished. It is also important to know the purposes of the observation i.e. what aspects will be observed in classroom. Although, classroom observation process is one of the most reliable tasks till now in teaching, it has some limitations. Here we take an initiative to explore the process, purpose and limitations of classroom observation.