Coimbatore

Hello Mohan,
As per my knowledge, Diploma in fashion designing course is not offered by any Polytechnic colleges in Coimbatore. But there is relevant courses are offering by some Polytechnic colleges. PSG Polytechnic college offers Diploma in Textile technology, GRG Polytechnic offers Diploma in Textile processing, Diploma in Garment technology.
All the best for your future.

BBA logistics is not at available at GRD College, Coimbatore
For list of courses, check out the official website below:
http://www.grd.org/grdcs/Admission/Course_Offered.aspx.

Application start date was 22nd March and end date is not yet declared. For further updates and notifications, keep a check on college-website I.e. http://www.psgcas.ac.in/admissions_process.html.

I hope this link will help you :
https://www.shiksha.com/b-tech/colleges/b-tech-in-biotechnology-engineering-colleges-Coimbatore

Duration of Law course will remain the same i.e. 3 years. Thanks.

Never heard of it. Get familiar about top colleges by going through reputed B school ranking. I used to follow TIME B-School ranking, career launcher ranking is also fine. Check out Shiksha's ranking also you will get a clear picture then.
All the Best!

Hello!
https://www.shiksha.com/mba/ranking/top-mba-colleges-in-Coimbatore/2-2-0-67-0
Here's the link of the best colleges for pursuing MBA in Coimbatore.

Hello!
Kindly visit this link to know more about the top-ranked MBA colleges in Coimbatore. https://www.shiksha.com/mba/ranking/top-mba-colleges-in-Coimbatore/2-2-0-67-0.

Hello!
https://www.shiksha.com/mba/ranking/top-mba-colleges-in-Coimbatore/2-2-0-67-0
Kindly visit the given link to know about the top MBA colleges in Coimbatore.

The fees is INR 64,000.