Hi Rahul, you are eligible for biotechnology /zoology as your major subject.

For B.sc zoology candidate must have secured an average minimum of 55% in biology,40%  in chemistry, 45% marks in English  in senior secondary school examination .

For B.sc biotechnology candidate must have secured an average minimum of 50% marks in senior secondary school examination and 50% marks in chemistry and biology.

You are eligible to chose any one as your major subject .

I think this will help you !