which college will be the best for BCA with good guidance,teaching staff,supportive staff and good campus with nice placements.

BMCC does not has BCA but it as BBA in Computer Application which you can opt for. But you will not get admission in first CAP round because the cutoff is 97.06. But you can get admission in second CAP round as the cutoff percentile in 2025 was 94.78. So if you hold until CAP 2 you can easily get BMCC for BBA-CA. And BMCC is the best college in Pune.