Hii!
DG Vaishnav College, Chennai does not disclose its fee structure for any of the courses including m.com before applying for them.
So, in order to get the information, you will have to visit the official website of the College and contact the helpdesk. They may help you with the information.

http://www.dgvaishnavcollege.edu.in/dgvc_new/

Hope you understand.
Good luck!