To study full-time, your cousin must apply disruption (possible for oversea University but not very sure if local can apply for), my friend have apply it before for oversea so he must apply as early as possible to get review by the top before they hand the report to his manpower officer
Will not extend his ORD loh but why not finish NS first then fully concentrate on study?
Cert is still most important to apply for position requirement but previous job experience require...either take up full/temp/part-time job for 1-2 year or get school to apply internship during school day is recommend...
http://www.internsg.com/For me, I have two more month to finish my NS and never have to re-service...hurray, then I take up full/part-time computing diploma course, very easy for me...because I'm very familiar in computing but still a bit hard without previous job experience loh...apply for job agency and waiting, waiting, waiting...