The minimum eligibility criteria for BBA in International Business is passing class 12 board examination with Commerce or Mathematics as compulsory subjects. They must also ensure that they have secured 50% aggregate score in the qualifying exam. So no you are not eligible for B.B.A in International Business Management as your 10+2 level group is PCB group not CA. Only those students who have taken CA group in their 10+2 level are eligible for BBA in International Business. If you had studied at least Mathematics as a compulsory subject then you would be eligible for BBA in International Business.