hi,

see there is further research and work in manufacturing company available after completing msc in marine biology, this is good career option if you go for abroad, but in india there is less options in core sector jobs, in likely chances after completing m.sc  you may work as a lecturer in school or colleges. however if you complete msc biotechnology from reputed institute like jadavpur university or amity university or loyola college channai you would get a wide options to choose like there is many fmgc, food manufacturing company available and hires biotechnology master degree holder students. also there is many university hires research fellow positions for msc biotechnology degree holders.