Hallo sir diploma ke baad BBA Kar sakta hu.
hello aspirant,
bba is a undergraduate courses. you need to have passed the 10+2 exam to get admission in bba, if you have done your diploma after 10th grade you can aalso eligible. however it also need to another 3 years to become graduate. you may also done integrated mba which is combination of bba+mba, duration of five years.