You want to know eligibility criteria for MCA entrance exam so following is its eligibility criteria which is adopt in most of MCA Entrance Exam:

For Indian students for MCA Course:
Candidates who have done BCA, BBA or B.Tech can apply. Students who have finished their graduation in science can also apply. These students must have studied Mathematics as a subject in class 10+2. There is no age limit regarding the admission to this course.

Eligibility Criteria for Foreign Students for MCA Course:
Foreign nationals need to have a valid passport and the necessary qualifications. Once they have passed the entrance exam, they can join the course. The admission of the applicants shall be done on the basis of the norms and other provisions of the institution concerned.

Academic Eligibility Criteria:
Students must have a pass in graduation with more than 60 percent marks.