Can I know about BCA and MCA?

BCA is a Bachelor of Computer Application valency is its Master degree which is known as master of computer application. So, you have to first to do BCA, then you can pursue MCA. 10+2 is compulsory to purchase BCA.

The general eligibility criteria to be eligible for applying for BCA course is 10+2 from a recognised board of education or equivalent, with minimum 50% marks in total and also having mathematics as a subject in the qualifying examination. Some colleges such as IGNOU allow non maths students to seek

You can pursue MCA after BCA. MCA is a good course and will fetch you good job opportunities.