Yes you can do bca through lateral entry which means it saves your year.many colleges offer bca course through lateral entry system.

Eligibility criteria for lateral entry is 10+2 or 3 year diploma course.thee is no role of b.com 1st year drop.

If you are eligible you can take admission in bca

Check full eligibilty and college here

https://www.google.com/amp/s/www.careers360.com/courses/bca-bachelor-of-computer-applications/amp