St. Xavier's Mumbai offers a two year degree in Msc in biotechnology. The eligibility criteria to take admission in the course is,

Either a Bsc in Biotechnology from a recognized Institute

Or three units of biotechnology in your Bsc degree.

As you satisfy the second criteria, so you are eligible to take admission in the respective college

Below is the link of the college,

https://www.careers360.com/colleges/st-xaviers-college-mumbai/msc-biotechnology-course

Refer to it for detailed information.

Hope that helps.

Thank you.