best case is 10 years. 
worse case is longer or cant even get in to uni.
study in ite = 2 years (u'll be 19 by den)
waiting for ns = 1/2 years;
serving ns = 2 years;
study in polytechnic = 3 years (ite com maybe direct to 2nd year,
maybe can choose disruption from ns if going to poly allow);
waiting for entry to uni = 1/2 years;
study in uni = 3 or 4 years (direct entries to 2nd year for poly, u
can opt for other course if u r DWM but will take 4 years).
u can opt for oversea uni which take u duration of 2 years to
complete.
