Colleges in Coimbatore

You can refer this link: https://www.shiksha.com/mba/colleges/mba-colleges-in-india

Admission Procedure-
Admissions will be made on the basis of the Score of Entrance Exams
https://www.shiksha.com/mba/course/master-business-administration-sri-krishna-institute-management/212640
For fees you need to talk to the college.

please check below link for complete details.
https://www.shiksha.com/Skim-Sri-Krishna-Institute-Of-Management-Coimbatore-institute-college-listingoverviewtab-43008

Hello ganapathi , Karunya University Business school is a deemed to be university and it is free and liberal and even it has good atmosphere , surrounded with hills and you would have an view of waterfalls from college campus and gives you a Value education and character building through ethical learning, mentoring and spiritual empowerment. So you can join this college.

Tamil Nadu agriculture university's main campus

PSG is the second biggest college in tamilnadu,, under tnea. There are ample of placements in that college. There is no entrance for entering into the college but you should have studied in Tamil Nadu and should have a very high cutoff of at least above 195 if not one cannot enter it under govt quota .but if you are from other state the case is different.

Yes, its is definitely possible. You can take admission in a college where they have morning lectures for BFM for all 3 years ( as you'll need to Articleship of CS).
All the best!

no. the admission are done only on TNEA single widow counselling for tamilnadu candidates. management quota also available but it costs too lot.