Obid, if your question is regarding counselling, once you register for either All India Counselling or State Counselling, during locking period, you will get to see the list of all the Colleges that participate in All India Counselling and State Counselling. You can select and lock any no.of Medical Colleges that you want to. There is no restriction. But the seat will be allotted based on merit cum preference. This is the case for all the rounds of Counselling. For any guidance during counselling and admission, you can use our MBBS Companion: https://www.careers360.com/mbbs-companion