@saraga welcome to Mayo Clinic Connect. Your family member must be very uncomfortable and concerned. Has he given any thought to getting a second opinion? You can look for a large medical center or a university teaching hospital.
If he is interested in going to the Mayo Clinic, here is a link
https://MayoClinicConnect.in/1mtmR63
The Mayo Clinic is not able to see all patients, but they do have a care network of hospitals:
https://mayoclinic.org/about-mayo-clinic/care-network/members
I hope this will help