Yes, in most cases, you can participate in state counseling after securing admission through All India counseling, but this largely depends on the specific rules and regulations of the state and the institutions involved.

Many states allow students who have already secured admission through All India counseling to participate in state counseling to upgrade their college or course.

It's essential to check the specific guidelines of the state counseling authority and the institution you are interested in, as they can provide detailed information on eligibility and process.