SRM Institute of Science and Technology, Kattankulathur

Normally the admission of all the courses starts by the end of May or in the first week of June. So according to that you can apply for.

Yes sure please appear for the SRMJEE exam in order to get a seat in SRM, Chennai campus.
The SRM, Chennai branch is the SRM main branch in India so the cutoff for that campus goes higher so you need to work hard for getting the SRM Chennai campus. Also, SRM Chennai is best than the rest of branches of SRM in area of placements, faculties, and infrastructure.
Best of Luck!!

Fess for BCA is 50,000 p.a and BBA 1,00,000 p.a.

Hello Loganathan,
From the available data, there is simply no mention of lateral admission in SRM. I am attaching a link that will give you all the required information about admission in SRM.
http://www.srmuniv.ac.in/admission-india/Eligibility/Engineering-and-Technology.

Yes it's good choice but placement is average around 4 lacs per annum.