What should I do after my graduation in B.Sc (science) to have a bright future?

Hello Elfansu, As you have done B.Sc in the respective field and want to make a career choice for your bright future. I would like to suggest you for pursuing Master's degree. Your career option is based on your satisfaction and stability in your professional front. For pursuing M.Sc, you need to

Bright future depends upon your quality of knowledge and education. With B.Sc in any subject you can do really well in life. Get the best scores , top, appear for different exams and you'll end up in somewhere really good.