Today, mathematics is an important filed in many industries, and hence there is a great demand for students who have done a post-graduation from a top college like IIT or NIT from Mathematics or related fields.
Students pursuing B.Tech or B. E. in any field or M.Sc. in Science/Mathematics or related subjects can appear for the Mathematics paper, as long as they match it with the entry criteria to the M.Tech specialization of their choice. The test covers 5-6 major subjects: Complex Analysis, Real Analysis, Functional Analysis, Algebra, Calculus, etc. It also tests students on General Aptitude.
Students who qualify in the GATE exam can apply to these colleges.