Science students can enter the laboratories only during the scheduled hours of work,and at other times if permitted by the teaching staff of the departement. A Student shall be answerable for the careless handling of the apparatus supplied to them for work. All breakages are charged and are payable at the end of the year or earlier. if the principal decides so. A Student shall not leave the laboratory untill she returns the apparatus to the laboratory attenders.A Student shall perform 90% of the practical exercise covering the prescribed courses to get eligibility to appear for the public examination.