Ankit the eligibility criteria for pursuing BBA diploma course is:

• You need to be passed in 12th class or any equivalent higher secondary degree
• Student's age limit is from 17 years to 22 years
• You need to score atleast 40% in the 12th class (This percentage cut-off varies from college to college and many of the colleges who does not conduct any exam for selection gives admission totally on 12th class percentage)
• English should be one of your subjects studied in Class 12th

Feel free to ask if you have any more queries. All the best!!