following are the best colleges under IP university for BBA:
1. maharaja surajmal institute of technology, janak puri
2. maharaja agrasen institue of technology,rohini
3. vivekananda institue of professional studies, pitampura
4. JIMS, vasank kunj
5. JIMS, rohini
6. JIMS, kalka ji
7. ideal institute, kakkardooma
but the admission into these institutes depends on your rank in cet.
refer to the link below for furthur admission process:
hope this helps
best of luck!