Hi

No, if you are a Biology student and you don't have maths in your 12th then you cannot do BTech computer science. Just studying or learning maths in coaching is not enough you should have studied it in your 12th  to be eligible

This is because,

If you want to do BTech computer science then you should have compulsorily studied Maths in your 10+2 .

For instance,

Jee main is the most reputed and most widely accepted Engineering entrance examination and to be eligible  for JEE mains  for BE or Btech you need 10+2/equivalent qualification with Physics, mathematics as compulsory subject along with anyone of

• -Chemistry

• - or Biology

• - or Biotechnology

• - or Technical Vocational Subject.

For detailed eligibility criteria of jee main ,go through our page, the link for which is provided below

https://engineering.careers360.com/articles/

For your reference,

Eligibility criteria of Btech computer science of an engineering college is given below

To be eligible for BTech computer science  in Rajkiya Engineering College, Bijnor  one needs to pass 12th with Physics and Mathematics as compulsory/mandatory subjects along with one of -   Chemistry or Biotechnology or Biology with at  least aggregate of 45% marks (40% if you are from reserved categories ) in these subjects.

You can check the same by visiting our page for which link is given below :-

https://www.careers360.com/colleges/rajkiya-engineering-college-bijnor/btech-computer-science-and-engineering-course

Thus, without maths you are not eligible for btech computer science.

You are eligible for B tech like B tech biotechnology only and also not all colleges offer it to Biology students . There are a few Colleges like VIT which offers B tech biotechnology to Biology students.

For example,

To be eligible  VITEEE exam for btech biotechnology , one needs an aggregate of at least 60% in Physics, Chemistry, Mathematics/Biology in 12th board exam or 50 % in aggregate of physics chemistry maths/ biology is belongs to SC or St category

So, both students Math / Biology are eligible for B tech biotechnology in VIT .So being a Biology student you can pursue BTech biotechnology in VIT

You can check the same at our page link is provided below

https://www.careers360.com/university/vellore-institute-of-technology-vellore/btech-biotechnology-course

Thank you