BCA

Write MAT or CAT exam and then go and search online for their websites. Submit your details and you will receive calls from them.

Both the courses are almost equivalent, opt for the one that you love the most and are most passionate about and analyze the future work conditions, scope and growth prospects before taking admission.
You can also opt for psychometric test comprising of aptitude, personality and career interest to clear confusion.

Follow the link below and filter the colleges for south India location:
https://www.shiksha.com/it-software/ranking/top-bca-colleges-in-india/96-2-0-0-0

Go through the link below for details:
https://www.shiksha.com/it-software/colleges/distance-correspondence-bca-colleges-west-Bengal

Registration - 15000
Semester fees - 28000
Eligibility - 4145
Uniform and miscellaneous - 6250

BCA Course Fee (per year per student):- Rs. 75000/-
Total bca course fees is 22 5000

No, you will not be able to apply for BCA on the basis of your class 10 marks. You will have to clear class 12 examinations to be eligible. Please check for a detailed eligibility for this course from the criteria mentioned below:
BCA Course: Eligibility:
Candidates who wish to pursue BCA course must fulfill the below mentioned eligibility criteria.
Pass in 10+2 examination in any stream from a recognized board of education.
English as a subject of study.
A minimum aggregate score of 45% at 10+2 level.
Some colleges prefer students from Science stream or those who have studied Mathematics and Computer Science at 10+2 level.
Regards.