Today biometrics is popular all around the world. Every institutions rely on biometrics for their security purpose. It is far better than traditional security methods. There are so many advantages of using Biometrics, they are
Security
Accountability
Accuracy
Scalability
Convienient
Trustable
Flexibilty
Time saving etc


But it also have some dark side in it. It can have some problems like high cost.
What are the disadvantages of using Biometrics?