Hello,
You have tagged IIT-BHU which only offers BTech/Integrated BTech/BArch at undergraduate level for which admission is done through JEE Advances score, candidates need to appear for JEE Main and further appear for JEE Advanced and qualify the same, BCA isn't offered at IIT-BHU which you can check out at https://iitbhu.ac.in/deans/doaa/academic/programs,
You can visit the official website of the college for which you wish to know more details about the fee structure, anyway to provide you a brief regarding this, some of the top universities offering BCA are as follows-
Visit our page at https://it.careers360.com/colleges/list-of-bca-colleges-in-india to know more details regarding this.
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