Definitely, there are opportunities abroad after doing MSc in Mathematics in India. You may join as a Research Assistant or Pre Doctoral Researcher at some Foreign University, or maybe pursue a Fully Funded PhD in Mathematics, Statistics, Computational Sciences or related domains followed by a strong career in Industry, Research or Academia.

After a short work experience in India, you may pursue MBA abroad or maybe a MS in a related domain, hence a career abroad.

You may join Teaching, Managerial or Entry Level Positions like Analyst, Project Assistant at Universities in Middle East or Countries like Singapore, where Immigration rules arent that strict, provided you have respective skills.

For more information regarding Mathematics as a Career do follow the link below

https://www.careers360.com/courses/mathematics-course