my date of joining as an a.t.in additional post is 14.02.2008.prior to joining i was studying regular B.Ed course.after joining school i was granted without pay e.o.l. from 01.03.2008 to 19.06.2008 (total 111days) by m.c. for study & appearing in b.ed exam on the basis of my prayer.i joined school on 20.06.2008. i am getting my increment from 1st july 2009.will these e.o.l have any effect on my 10/20 years benefit?what will be the qualifying service?