Hello,

If your admission process is completely done for the respective college, then the college authorities will definitely contact you via SMS or emails facility. So, there might be a message from the college which would tell you about whether or when your classes for for semester will start. If you didn't get any message, you may contact them using the emails and phone number provided on their website.

For more updates related to your respective year, you must visit the official website of the college from time to time for updates and related information.

Hope that helps.