Hi Harshitha
Hope you are doing well.
For IIT JAM, the minimum eligibility is that the student should have passed qualifying degree with a minimum aggregate of 55%. For different courses the essential subject at 10+2 level varies.For Msc. Biotechnology the essential subjects at 10+2 level is biology so you will be eligible for that.
https://www.google.com/amp/s/university.careers360.com/articles/jam-eligibility-criteria/amp
For GAT-B
Candidates should have passed bachelor's degree in the respective field from a recognized university with a minimum aggregate of 55%.
https://www.google.com/amp/s/university.careers360.com/exams/gat-b/amp
Hope this helps.
All the best.
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