hello,

yes offcourse you are eligible to give GATE in biotechnology. GATE is a type of exam in which any candidate switch their field of study or can grow in their same field of study. It doesn't matter what ug course you have studied. If you want to switch your field you can do it. For doing so you need to study all the subjects of biotechnology according to gate syllabus and while filling up the application you need to opt for BT (for biotechnology).

Syllabus for Biotechnology includes :

Section 1 : Engineering Mathematics

Section 2 : General Biotechnology

Section 3 : Genetics, Cellular and Molecular Biology

Section 4 : Fundamentals of Biological Engineering

Section 5 : Bioprocess Engineering and Process Biotechnology

Section 6 : Plant, Animal and Microbial Biotechnolgy

Section 7 : Recombinant DNA Technologyand Other Tools in Biotechnology

Hope this will help you

all the best!!