You should be proficient in both statistics and mathematics. Also The candidate should complete his 12th in the commerce stream. The admission for the Actuarial science course in an institution will basically depend on the merit scored in the entrance exam held by the various institutions. The  List of entrance exams are given below , -

• The Actuarial science entrance exam
• The Institute of Actuaries of India entrance exam
• The Actuarial society of India entrance exam