Can I do BBA,BMS or BBM in DU?.....but I haven't taken mathematics subject in 12th class and I am from commerce stream!!!!!

Hello.

Eligibility for Bachelor of Management Studies
Listed below are the minimum criteria of eligibility that interested candidates need to fulfill in order to apply for the course.

A Higher Secondary (10+2) qualification from a recognized educational Board.

A minimum aggregate score of 50%(general) and 45%(SC/ST) at the 10+2 level.

Students having completed 10+2 in the Commerce stream are generally given preference, although students from Science or Arts streams are also welcome to apply for the course.

Mathematical aptitude and good communication and problem-solving skills.

BBA(Hons.):Eligibility. Candidate must have passed the 10+2 or equivalent examination in any stream from a recognized state or central Board with at least 45% (40% for reserved category candidates) of the marks with English as one of the subjects.Jan 4, 2019Eligibility:Minimum score of 45% (Relaxable for reserved category students) marks at ...Admission Process:Entrance exam based/Merit-basedCourse Fee:Between INR 30,000 to INR 2 LacsExamination Type:Semester
So the ans is yes you can join by cracking entrance exam.
Hope this is helpful.

Good luck.