Hello dear!

All the 3 mentioned specializations in BBA by you are in a great scope with greater opportunities!
But when it comes to choosing best out of it ...It only depends completely on you of want you are interested in future and take something related to it ..I would suggest you to know little about each course..so below I'll be mentioning description on all the courses.

BBA FINANCE :- when choosing finance as a major subject you will be learning about the stewardship of finance in corporations , institutions and you it will enable you to perform financial analysis ,strategy and management effectively

CAREER OPTIONS :- you may work as financial analysts or personal advisors.

BBA ACCOUNTING :-
This course teaches students how to use maths for business and tax purposes, which is ideal for students seeking a career in an accounting department or as CPA .you will be learning auditing, business ethics ,financial and managerial accounting and so on .

CAREER OPTIONS : - You may work as accountants or auditors .

BBA RETAIL MANAGEMENT :- This course prepares you to work for some of the industry's most prestigious businesses in a variety of professions.
You may learn concepts like purchasing , merchandising , marketing, operations ,personnel and so on .

CAREER OPTIONS :- You may work as retail executive,category executive and corporate marketer etc.

So just figure it out in what your interested in. This basic knowledge of all the course will help you to choose the one.
Hope its helpful
All the best !