HEY buddy, total marks in 12th have no use here.

Your cutoff speaks here.

cutoff is calculated based on phy, che and maths marks.

You can get the colleges like MIT chennai CSE, Thiagarajar college, CSIR karaikudi, Alagappa karaikudi only when you have higher cutoff's above 190-200.

For more details regarding colleges you get based upon your cutoff refer

https://engineering.careers360.com/tnea-college-predictor