Mar Sleeve College Auditorium is definitely a pride colossal structure that overlooks the typical sprawling greenscape of Idukki. It is perhaps the most visited place of the college, while those in the community may or may not see a typical classroom in a school they have more than likely visited the Auditorium for college performance. Situated on the third floor of the main building the auditorium known as Mar Sleeve College Auditorium is equipped with the most modern and audio visual facilities and a massive seating capacity of approximately 800. The sound proof auditorium hosts numerous event including annual day award functions & Inter-collegiate competitions. It is fitted with a projector, effective & modern light and sound system. All the major functions and various competitions are held in this auditorium which gives a variety of exposure to the students in showcasing their talents and groom their inborn virtues.