Hello Abhish,

Chennai Mathematical Institute, CMI, has released the notification for 2019 entrance exams and it includes two B.Sc. courses Viz,

• B.Sc. (Hons.) in Mathematics and Computer Science (3-year course).
• B.Sc. (Hons.) in Mathematics and Physics (3-year course).

There is a Common Entrance Exam for both the B.Sc. (Hons.) Program which you need to select during the application process. 

Eligibility criteria for BSc courses

• B.Sc. (Hons.) Mathematics and Computer Science: 12th standard or equivalent
• B.Sc. (Hons.) Mathematics and Physics, Mathematics and Computer Science: 12th standard or equivalent.

career prospects:

B.Sc. Mathematics graduates can follow teaching profession by teaching in schools or opening their own coaching classes. B.Sc maths degree holders are also required in Banking and Business services, Government Jobs, Investment and Insurance among many other employment areas. Degree holders in Mathematics are respected for their excellent quantitative and problem- solving abilities and can get hold of a wide range of rewarding positions in both public and private sectors. Successful graduates of the course are employed in banking, finance, insurance, and risk-management, besides universities and scientific institutes.

Some popular fields and jobs employing such graduates and the salary Package are given below 

• Mathematician (2-3 lakhs)
• Data analyst (5-6 lakhs)
• Numerical analyst (4-5 lakhs)
• Cryptanalyst (2-4 lakhs)

I hope this was helpful. All the best.