For the ease of mobile phone subscribers, the government had introduced three new methods to link the SIM with Aadhaar. These new methods are: OTP-or One-Time Password-based linking, app-based linking and Aadhaar linking via an IVRS facility.
OTP or One-Time Pin is a mode of authentication offered by the UIDAI. Under one-time PIN-based authentication, an OTP with a limited period validity is sent to the mobile number and/ or e-mail address of the Aadhaar number holder registered with Aadhaar. "The Aadhaar number holder shall provide this OTP along with his Aadhaar number during authentication and the same shall be matched with the OTP generated by the Authority," according to the UIDAI website.
However NRIs (Non Resident Indians) and PIOs (Person of Indian Origin) are not required to link bank accounts and other services with Aadhaar, the Unique Identification Authority of India (UIDAI) said on Friday, while instructing various implementation agencies to work out a mechanism to verify the status of such individuals.
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