The interest portion is the amount paid by the student during the time of his course that starts immediately from the month following the loan disbursal. During the tenure of his course, he/she keeps paying interest to the bank, whereas the main principal is only paid at the end of the holiday period. EMI or Equated Monthly Installment` is the amount payable by the student after the end of the holiday period that includes a certain portion of interest and principal. EMIs are calculated on a quarterly reducing basis