Answered on December 03,2019
In order to update Aadhaar biometrics, you need to visit the Aadhaar Service Kendra.
In rare cases, where people are bedridden permanently, Aadhaar enrollment was done at their home. But in the case of Aadhaar update, it is not possible.
Process to update Finger Print in Aadhaar card is provided in the video below.
Process to update Iris scan in Aadhaar cardi s provided in the video below.