I want to do btech in computer engineering so which entrance exam i should have to give after std 12 and what is cutoff for obc category?

If you want to do engineering in computer Science stream you should write EAMCET exam which is conducted by receptive State governments and should perform good score example in Andra Pradesh and Telangana you should get atleast rank between 20-30k If you want to study in top colleges you should get