As explained in case of institute where multiple attendance to be marked in a day, it is sometimes not feasible to handover the day's attendance sheet to subsequent faculty members who are going in to take the next period. In such cases there is a possibility that the sheet may be mishandled or damaged. So a monthly sheet can be made for a single faculty single subject which the teacher carries safe with him for a period of one month. In this way each day attendance marks in the corresponding column and the sheet is submitted to the OMR operator at the end of the month. So with a single sheet scanning the operator is able to quickly extract attendance for a month and then this attendance sheet is filed for records. The four rows visible on the top of the day's columns are the period weighted markers.This is useful when one teacher is taking more than one consecutive period and so the attendance that he is marking is actually for 2 periods and the student must get 2 credits for attending the class. So on the day when the faculty is taking 2 periods he marks 2 in the number of periods section and the value is accordingly extracted at the time OS scanning and reading of OMR attendance sheet.