Yes, you can still attend the second round of KEA counseling for BHMS admission in Karnataka, even if you missed the first round. Here are the steps you need to follow:

1. Registration: Visit the official KEA website and register for the counseling process.
2. Document Verification: Once registered, you will need to submit the required documents for verification, which may include your academic certificates, NEET scorecard, and other relevant documents.
3. Option Entry: After document verification, you will be able to enter your preferred college and course options.
4. Seat Allotment: The KEA will conduct a seat allotment process based on your rank, preferences, and the availability of seats.
5. Reporting and Admission: If you are allotted a seat, you will need to report to the allotted college within the specified deadline and complete the admission formalities.
   
   

Please note that the exact process and deadlines may vary slightly from year to year. It's advisable to keep an eye on the official KEA website for the latest updates and announcements.

I hope this information helps you.