Hello Aspirant,
As you are the biology student in class 12th then it is very difficult to decide because the option of branch you written above they both include the mathematics subject . And in the first year of engineering the subjects for all the branches are approximately same. And if you think that in computer science branch is free of mathematics then this is your misuderstanding because it have maths about the last year of engineerings .
So, if you are interested in programming then you may take the branch computer science and if you are interested in electronics gadgets then you may go through the electric and communication engineering.
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