Yes, you can pursue Computer Science (CS) after completing a B.Sc. in Mathematics. Many universities and institutions offer master's programs in CS or related fields, and your mathematical background will be advantageous in areas like algorithms, data science, and machine learning. Admission requirements may vary, but you might need to clear an entrance exam or take prerequisite courses in programming or computer fundamentals. Research specific universities and programs to find options that align with your qualifications and goals.

For pursuing M.Sc. in Computer Science after a B.Sc. in Mathematics:

https://www.careers360.com/courses/msc-in-computer-science