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There are following limitations of Aaadhaar based authentication which UIADI does not want to admit (a) The skin becomes less elastic with age and the patterns become less prominent, especially due to thickening of ridges and furrows in the finger. Thus for senior citizens, matching of biometric images could be tricky unless senior citizens re-submit biometrics at frequent intervals (say once a year). (b) It is also a fact that people who do manual work (such as in the construction industry) can have their fingerprints worn out over a period of time. Thus, fingerprint matching may be problem (c) From my past experience as an ex-govt official when I had to submit aadhaar based attendance at New Delhi (metwork connection was not an issue there), my observation is that status of the finger (dry, clean) matters. I used to have more than 20% failure rate.


Sanjib Pohit , India 13/01/2018 21:19:51

The failure rate is expected because finger print is not static , but changes especially for manual work as non one puts on protective gear for working. For senior citizen with again, matching is always a problem as skin becomes less elastic with age and the patterns become less prominent, especially due to thickening of ridges and furrows in the finger. UIDAI has no plan to repeat the enrollment process for senior citizen. From my past experience as govt. employee when I had to mark attendance through aadhaar in Ne Delhi, I have observed that finger has to be in perfect condition (clean, dry) for matching. My failure rate is about 10%


Sanjib Pohit , India 17/01/2018 10:18:22

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