Hello Aspirant,
The the seats are filled for the seven categories(OC,BCM,BC,MBC,SC,SCA,ST etc) based on merit.To know the various colleges previous year cutoff's please do visit the below link.You may check the cutoff's by choosing your desired college and know the details for various branches and categories.
http://www.accet.co.in/lea2017/cutoff.php
To know the various courses offered in the various colleges do refer the below link.
http://www.accetlea.com/documents/Informatio n_About_the_Colegs.pdf
The best colleges in Coimbatore for Civil are
1.PSG College Of Technology.
2.Coimbatore Institute Of Technology.
3.Government College Of technology
4.Sri Krishna College Of Engineering and Technology.
5.Kumaraguru College of Technology.
6.Sri Ramakrishna Engineeing College.
Hope this helps.
All the best!!
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