hi,

see there is two option available for you. you may either go for job or do higher studies.  after b.sc completion you may apply for bank p.o, school service examination, upsc civil services, state wise public service examinations etc. or if you want to do higher studies you may go for below areas of studies,

msc in mathematics,

mba course,

pgdm course

post graduate course on data science,

master in computer application.