Mar Sleeva College of Arts and Science, Idukki admission process is systematic for its numerous undergraduate and postgraduate courses. With close proximity to Mahatma Gandhi University, Mar Sleeva College of Arts and Science admission processes is framed by the university for undergraduate admission programmes.

Foreign undergraduate programmes come under UGCAP, an annual event like other areas for postgraduate admission accomplished through PGCAP. This usually marks the beginning of the Mar Sleeva College of Arts and Science, Idukki admissions cycle, announcing the results of the higher secondary, usually May-June.