Delhi University has changed the formula for the calculation of Best Of Four Subjects for the academic session  2017-18.
The commerce department has generated two lists of subjects, C1 and C2. If a student wishes to include a subject not mentioned in either of the two lists, he/she will have a disadvantage of 2.5% per subject. The new rule has been finalised by the standing committee. 
LIST C1- There are two parts of the list. 
| PART 1 (Languages) |
| English |
| Hindi |
| PART 2 |
| Mathematics |
| Accountancy |
| Business Studies/Commerce |
| Economics |
List C2 Comprises of the following subjects. 
| Botany |
| Geography |
| Zoology |
| Philosophy |
| Statistics |
| Business Mathematics |
| Physics |
| Biology/ Biotechnology |
| History |
| Political Science |
| Chemistry |
| Home Science |
| Psychology |
| Computer Science/ Informatics Practices |
| Legal Studies |
| Sociology |
For B.Com(Hons), a student will have to choose one language from List C1- Part 1 and three subjects from Part 2. If the subjects are chosen in the specified manner, he/ she will not face any deduction of marks. 
If a student chooses subjects from List C2, he/she will have a disadvantage of 1% per subject. 
If a students chooses a subject which is not included in List C1- Part 2 or List C2, a deduction of 2.5% per subject will be imposed.
It is important for a student to have studied either Mathematics or Business Mathematics in Class 12.
(Based on a news report of Navbharat Times)
