Colleges in Madurai

In terms of placement, Marketing Operations jobs are abundant. Only operations jobs are fairly good but you will get only 2-3 companies visiting our campus so you will feel like dejected with 2.5 yrs of experience.
Marketing jobs with operations complement- placements are good.

Yes, you can join lateral entry in BCA in Directorate of Distance Education, Madurai Kamaraj University . Check out the detailed eligibility and other details below:
https://www.shiksha.com/it-software/course/b-c-a-lateral-entry-direct-2nd-year-directorate-of-distance-education-madurai-kamaraj-university-287511

Log on the website of concerned university. Regards. https://www.mkudde.org/download/course/ma_economics_1.pdf

BBA is a Bachelor's degree which required class 12th as its qualification. Both BBA and B.Com are at the same level.

As a student of TSM, I would recommend you to adopt Thiagarajar School OF Management, as fees is lower. You will be learning Mba course in Madurai, a place where you can save most of your pocket money. Placement is comparatively lower than SRM, but if you have a never-give-up spirit, you will extract value from wherever you work.
In terms of cost of studying do in TSM, if you are looking for more expertise and better packages do in SRM.

TSM's MBA in HR is good in terms of staff, library books, events and fests conducted. NAch HR TSM club always is active here. Recently, they conducted ARETE'18 National level HR meet.
In terms of placements, HR jobs are not so good. There are only 1-2 companies visiting our campus this season. But, here you will be molded to face off-campus interviews and secure a job in HR career.

Yes, surely. You can get admission into B-Schools by getting eligible MAT score for that particular year of joining. But, get ready for a valid answer in the admission interview for your 3 years gap and you've will close that gap.

Please try by applying, since you possess work experience. Appear for February MAT and TANCET and update the application till you get a call for GD/PI.