Hey,

Being from Madhya Pradesh also, you can appear for the TNEA Counselling process. But, the eligibility condition for other states mentions that candidates need to have 50% aggregate in Mathematics, Physics and Chemistry from a recognized board for the TNEA Admission process.

The detailed information regarding TNEA, Counselling, Exam Dates can be taken over from here: https://engineering.careers360.com/articles/tnea