In which colleges can I get admission for BBA considering I haven't given any entrance?

As you have not given any entrance for BBA, you need to see the Private Institutions. Amity University, CU Mohali, KR Mangalam, TERII-Kurukshetra, LPU and others are there who have their own process for admission and shall get you a seat. Colleges also have some seats to be filled by them only that