Hey Divin joseph,
BCA is a three year full time graduation course divided into six semesters. It is for those people who want to build their career in the field of computers and information technology.
IT is one of the major employment provides in India and expected to grow more in the coming years.
What you learn:-
In BCA, you will learn about some interesting subjects like Maths, computer programming,  Computer Networking, Database Management, and software Engineering.

Higher Education after BCA:-
pursuing MCA after BCA adds to your computer and programming skills. This can increase in salary.

Scope of BCA:-
BCA offers loads of opportunities to students who are always ready to learn not to work hard. It's worth noting that acquuring a graduation certificate in BCA isn't enough to compel the employers to hire you. If you're someone who is always open to new experiences, then the IT sector will welcome you.

Jobs:-
1. BCA graduates have good scope in jobs as a Web Developer, web Desingner, Computer programmer, software Developer, Software Tester etc.
2. The average salary of BCA graduates in India as per pay scale.com is INR 3.4 lac per annum.