Hello Aspirant,

Yes you can do masters in neuroscience after completing Bsc in biotechnology.
Eligibility criteria for doing masters in neuroscience is - Bachelor’s degree in biology/ biotechnology/ biochemistry/ neurobiology/ neuroscience or zoology  with a minimum of 50% marks from a recognized university.

Check out the link below for more information-

https://www.careers360.com/university/national-brain-research-centre-gurgaon/msc-neuroscience-course