Hello,

If by CUCET you meant the entrance test which is conducted for admission to central universities then BCom isn't offered under CUCET till last year, you can check out all the courses offered in undergraduate courses at https://cucetexam.in/CUCET2020/Document/ProgramList_UI.pdf, However from this years it's being said that there will be few additions to the participating universities through  CUCET, but the official notification regarding the same in detailed manner isn't released yet, you can stay updated at https://cucetexam.in/for the latest information regarding the same.