Colleges in Calicut

Yes, of course. You have a good percentage and can definitely get a seat. The minimum should be 75% in 10+2 which they look for.

Candidates who have passed the HSE of the Kerala State Board of Higher Secondary Examination or any other examination recognised as equivalent thereto are eligible for admission.

Number of seats is 40 and the fee is approximately around 40000 per year.

Hello Mohammad Ameer, by now the classes too have started at NIT Calicut after completing admission process. However to answer your query, i am attaching a link that will give you all the required information.
https://www.shiksha.com/college/nit-calicut-national-institute-of-technology-4288/cutoff
Best wishes to you.

Yes, you do advance Diploma computer applications for get more experience.

The NIT cutoff is very High so you are not eligible candidate at NIT studies but you must try in other engineering college for your education they also give you best placement and education related to your course. So you must try in other colleges and universities for your education.

It is a private institute so it might a high fee for this course compared to other govt institutes

Bachelor of Science(B.Sc) Biotechnology is three years full-time undergraduate course offered by JDT Islam college of Arts and science.
Admission processes are direct based.
Eligibility Criteria
Candidates, who have passed Higher Secondary/Intermediate (10+2) or any other examination recognized as equivalent thereto, shall be eligible for the course.
The entire course fee for B.Sc. at JDT is close to INR 3 lakhs. Thus first-year fee that students need to pay is INR 83.5k Remaining three years fee will be INR 68.5k each year.

Calicut University
Calicut St. Joseph's College
Union Cristian College
MS asmabi College.