Grades, Semester and Cumulative Performance Index

A student is awarded a letter grade in each course he/she is registered for, including his/her overall performance in that course. There are nine letter grades: A, B, C, D, E, F, S, X and I. The correspondence between grades and points (on a 10-point scale) / rating is given below:-
       A: 10, B: 8, C: 6, D: 4, E: 2, F: 0, S: Satisfactory, X: Unsatisfactory, I: Incomplete
  If a student does not complete all the requirements for a course for a genuine reason, the instructor may award grade I (Incomplete). An I grade must be converted by the instructor to a regular letter grade by the last date for such conversion specified in the Academic Calendar, failing which it is automatically converted to an F grade.
  A student getting an E or F grade in a course must either repeat it or substitute it by another course as suggested by DPGC.
  A student getting a D grade in a course may be allowed to repeat it or substitute it by another course, provided:
        his/her CPI is less than the prescribed minimum and the student is allowed to continue in the programme as per provision in the Academic Performance Requirement, and
       he/she has completed all the courses as prescribed by the department
    In case a course is repeated or substituted, the old grade will also appear on the transcript although it will not be taken into account while computing the CPI/SPI.
  Seminars will be graded as satisfactory (S) or unsatisfactory (X) and will carry zero units for credit.
  The grade S or X will be awarded for D.IIT., M.Tech., Ph.D. project/thesis units as follows:
         At the end of the semester, the project/thesis supervisor(s) will assess the student's progress towards the project/thesis work during the semester and will award the grade S for each set of 4 units if the work is satisfactory and a X for every unsatisfactory 4 units. Thus a student registered for 16 units can get one of the following five combinations
  SSSS, SSSX, SXXX, XXXX.
  If a student is on leave for a part of the semester or submits his/her thesis in the middle of a semester, the SPGC may reduce his/her thesis/project units appropriately.

Computation of the Semester Performance Index (SPI) and Cumulative Performance Index(CPI):-
 The SPI is an indicator of the overall academic performance of a student in all the courses he/she has registered during a given semester. It is computed as follows: If the grades awarded to student are G₁, G₂, etc in courses with corresponding units U1, U2, etc, the SPI is given by :-
                            SPI= ( U₁G₁ + U₂G₂ + ...... ) / ( U₁ +U₂ + ....)
   In the above computation, courses with S and X grades are ignored. Similarly, the CPI indicates the cumulative academic performance in all the courses taken including those taken in the current semester.

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