Hi Ashima,

For BBA Admission based on the rank of 3900 in IPU and considering you a general category students, the following are the best colleges -

1. MSIT- Maharaja Surajmal Institute of Technology

2.MAIT- Maharaja Agrasen Institute of Technology

3. BVP- Bharti Vidyapeeth Institute of Technology

4. GTBIT- Guru Teg Bahadur Institute of Technology

5. National Power Training Institute

6. CBPGEC - Ch. Brahm Prakash govt. engineering college

Anyway, I will suggest you visit link for precise prediction - https://www.careers360.com/ipu-cet-college-predictor

All the best.