Hello there. There various options are there after your BSc. You can go for various competitive exams like SSC, IBPS etc. Also, you can have a job at laboratories in colleges, hospitals and other sectors etc. If you want to go for MSc, then you can have a bright career by getting an admission in the IITs. To get into IITs, you have to crack the IIT JAM Exam. If you don't know what IIT JAM Exam is and how you can crack it, visit: https://www.eduncle.com/iit-jam-exam
The Masters can be the best option for you because the exposure and career opportunities are unlimited.