For Karnataka state counseling you will have to apply separately and as of now the exact dates are not yet out but tentatively registration will be started in the first week of June 2018.

For reference, you can go through the below link -

https://medicine.careers360.com/articles/karnataka-mbbs-admission

Also, the code varies as per the qualification of the student so kindly share what is your current qualification status?

Good Luck!!!!