Hello aspirant!  Let me to inform you that the rank that you have got is not satisfactory enough to get you a mechanical engineering seat in CEG college. According to previous years cut off the cut off for mechanical engineering for bc category students were around 96 . Therefore you won't get that. You can check here :

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/tnea-cutoff/amp&ved=2ahUKEwiNmsCBsqzjAhXSSH0KHe93DsUQFjAKegQIBRAI&usg=AOvVaw28P03q8BgbTt2PhXqph0ic&ampcf=1&cshid=1562831865585