A failed subject (an F or absent grade) usually counts as 0 grade points while its credits stay in the semester total, so it lowers your SGPA and CGPA until you clear it. When you pass it in a later attempt, most universities recalculate with the new grade, but the exact rule depends on your regulations.
Why One F Hurts So Much
Because SGPA divides by all registered credits, a 0 in a heavy subject drags the average down.
Example semester (22 credits):
| Subject | Credits | Grade point | Credit points |
|---|---|---|---|
| Subject 1 | 4 | 8 | 32 |
| Subject 2 | 4 | 0 (F) | 0 |
| Subject 3 | 4 | 8 | 32 |
| Subject 4 | 3 | 9 | 27 |
| Subject 5 | 3 | 7 | 21 |
| Lab 1 | 2 | 9 | 18 |
| Lab 2 | 2 | 10 | 20 |
SGPA = 150 / 22 = 6.82
What Changes When You Clear It
Say the student clears Subject 2 in the supplementary exam with a B (6 grade points).
- Credit points for Subject 2 become 4 x 6 = 24.
- New total credit points: 150 + 24 = 174.
- Recalculated SGPA: 174 / 22 = 7.91.
That is a jump of more than a full point from a single subject. You can reproduce both numbers in the SGPA Calculator by changing one grade.
How Universities Record Cleared Backlogs
Rules differ in three main ways, so read your regulations:
- Full replacement: the new grade replaces the F, and the SGPA of the original semester is revised.
- Capped grade: the new grade counts, but is capped at a lower level (for example, no higher than a certain grade) for repeat attempts.
- Recorded attempts: the grade card shows both attempts, even if only the passing one is used in the CGPA.
Some universities also mark the degree differently when backlogs were cleared, for example affecting eligibility for a distinction or rank.
Active vs Cleared Backlogs
- Active backlog: a subject you have not yet passed.
- History of backlogs: subjects you failed earlier but have since cleared.
Recruiters and admissions teams often ask about both. Many placement drives require no active backlogs at the time of selection, and some also limit the history of backlogs. A strong CGPA does not help if an active backlog makes you ineligible, which is why clearing it comes first in any plan to improve your CGPA.
FAQs
Does a backlog affect CGPA permanently?
Not always. If your university replaces the grade after you pass, the CGPA is recalculated. Under some rules the original attempt still shows on the transcript.
Is an absent grade treated like an F?
Usually yes: it carries 0 grade points and the subject has to be cleared later.
Should I mention a cleared backlog on a resume?
You do not need to list it on the resume itself, but answer truthfully if an application form asks about backlog history.