Will it be possible to change my college in the 2nd-year of BBA from Amity University, Raipur for St. Thomas College?

If you mean in general, most St. Thomas Colleges have already finished their main admission rounds by now (August 2025), but a few may still be open for spot admissions or management quota seats depending on the course and vacancies. So yes, in some campuses the process might still be open, but you’

To be eligible for the BSc Zoology programme at St Thomas College Thrissur, candidates must have passed the higher secondary examination of the Kerala State Board of Higher Secondary Education or an equivalent examination with Biology as a compulsory paper, and also be eligible for higher studies.