Hi Guddal,

The Maths and Statistics department of Concordia University has a number of Masters programs. For a Graduate program,  you need a 4-year bachelors degree or one of the following as mentioned on the website.

Bachelor’s degree — minimum 4 year program;
Bachelor of Engineering — minimum 4 year program;
Bachelor’s degree — minimum 3 year program (school issuing the degree must have an NAAC rating of A);
Bachelor of Education — minimum 4 year of post-secondary studies;
Master’s degree — minimum 4 year of post-secondary studies.

Aspirants also require an English Language proficiency score.

For more information  visit http://www.concordia.ca/admissions/graduate/requirements/minimum.html#i

Do revert if you want some more information.