Hello Nivetha

I have also done BSc in Mathematics so I would recommend you to go for MBA by preparing for CAT or you can also take GRE exams too. 

Moreover to gain technologically insight, you can learn R language in advance, Python and tableau as well. For this you need not to do MSc. MBA from a top B-school will provide you all the edge.

So start preparing for entrance examination for MBA. Only thing is you have to focus more on verbal ability by practising vocabulary, grammar and reading newspaper on daily basis to improve reading compression.

Good luck for your career ahead. You can ask more queries on this site as we are here to guide you the best way plausible.

Thank you.