iam selected a BBA course is a best or bad

Hello.
Are you asking that BBA course that you have selected is good or bad?
If yes then I would like to say that it totally depends upon you , on your class 12th background , your interest, your goals, your passion, your vision, and even one thing also arise this type of questions  which is SCOPE in any particular course , JOB OPPORTUNITIES that you will be having or not after doing this course.
If your question is about same then ,hope details provided by me may help you:

what are the specialization in BBA course?
Following are the common specialization in BBA course:

• Communication and media management.
• Finance.
• Aviation management.
• Event management.
• Travel and tourism management.
• International business.
• Hospital and health care management.
• Hospitality and hotel management.
• Sports management.
• Integrated marketing communication.

BBA course in terms of fee structure?
This course can be done either by full time graduate or part time graduate also, and fee structure of this course vary from 1  lakh to 3 lakh for all three years ( depends upon college/University)  it is about tution fee and other charges of facilities are excluded.

Colleges of BBA?
There may be two type of colleges in india for BBA course one is private college/University and second is government college/University.
here you can go through the link provided below to know about all colleges of BBA in india, and by clicking on a particular college you can see rating and ranking of that college/University along with this there will be student feedback below the page which will help you to know what exactly this college/University is ,how you may feel after getting into it ,and lot more.
https://bschool.careers360.com/colleges/list-of-bba-colleges-in-india

BBA course in terms of scope and job opportunities?
About average 52-64 percent of BBA graduates get placed after each 3 year in all over india, but job opportunities available for BBA candidate are not high, you generally can start from initial salary 12,000- 18,000 per month and after having work experience you will get promoted and may have good leadership role with the extension in salary but it is totally depends upon the reputation of the company and your skills and credentials earned in the company.
there are various areas where you can go after BBA course:

• entrepreneurship.
• HR management.
• Finance and accounting management.
• Tourism management.
• Marketing management
• Supply chain management
• Higher studies and lot more.

Higher study options after BBA?
There are various options for you to do higher study some are listed below:

• MBA (Master in Business Administration)
• PGDM (Post Graduate Diploma in Management)
• MMS (Masters in Management Studies)

Remember for more productive output you must focus on your communication skills , leadership skills, networking skills , management skills etc, so that you could easily have job with good package.
best of luck.