Central Universities Common Entrance Test (CUCET) doesn’t conduct examinations for B.com courses. B.Com or Integrated B.Com isn’t listed among the courses covered under CUCET. So, to get admission to B.Com courses, you will have to meet the prerequisite mentioned by the university that you are applying to.
Some undergraduate courses that are covered under CUCET are B.Sc, B.A, B.Tech, B.Voc, BBA, BPA, Integrated B.Sc-M.Sc, Integrated/Dual Degree BA-MA, Diploma, Integrated BA-LLB, etc.