Hello.
There are various specialisations in BBA course these are given below:

• Finance.
• Banking and insurance.
• Human  resource.
• Information technology.
• Hospitality  and hotel Management.
• International trade.
• Logistic.
• Travel  and tourism management.
• Sports  mmanagemen, etc.

Here the name of each specialisation designates the the gist of it that on what you will be focusing majorly in the given specialisation.
now if it is about right selection Then see in yourself that where your interest is? like if it is in business and trade so go for international trade, if it is about hiring people and dealing with them so go with human resource, if it is to know about banking fundamentals then go with banking and insurance, etc.
For more knowledge you can refer given link:
https://engineering.careers360.com/articles/jexpo-application-form
Best of luck.