Hello
B.Sc Acturial Sciences is a 3 year undergraduate course.
The eligiblity criteria for admission to this course is that student should have passed class XII and be registered with the Institute of Acturial Sciences as a student member.
Some top colleges for B.Sc Acturial Sciences are

• Kavayitri Bahinabai Chaudhari North Maharashtra University, Jalgaon
• Bishop Heber College, Tamil Nadu
• Amity University, Noida
• Chandigarh University
• Babu Banarsi Das University, Lucknow

Good luck