For the MCA you should have the subject like mathematic in graduation. And the admission process is following: 1. Application must be sunmitted online or offline through MR portal as well as college and pay application fee which is Rs 1200. 2. You need to upload or provides documents like Achedmics certificates. 3. Depending on the course yyou may need to take entrace exams such as MRNAT which is college entrace exams they also use this exam for scholarship. (Note: You can also get admission simply going to the college with out exams too.) 4. Mostly the exam is held on june or july. 5. There are some fees exception for sc , obc, st which changes every years.