How much leaves allowed ?

One leave in a week has recommended by the institute

for attemting pcc u shld have been completed 18 months of articleship in which 3 months of leave can b taken.

n fo final 3n half years of articles which includes dat 18 months n 1 more 3 months can be taken

i m a pcc student doing articleship, I want to know how many leaves i can avail during a period of 3.5 yrs of my articleship.