i am astt teacher in basic shiksha parishad,i had take L.W.P.for m.ed.regular can i join my school duty before examination .

i am Rita ,i am astt.teacher in basic shiksha parishad ,i had taken L.W.P. for doing M.Ed.my regular classes offed i want to join my duty but examinations shedule is not confirm when held,so tell me about when i join my duty in school.