Introduction to Aadhaar Authentication

Aadhaar Authentication is referred to a process that involves verification of Aadhar details. The Central Identities Data Repository (CIDR) is responsible for validation of Aadhar details based on the submitted demographic and biometric information. The Aadhaar authentication process is designed to provide a platform that enables quick and easy verifications.

How Does Aadhaar Authentication Help?

When an individual is required to produce a Proof of Identity (PoI) for any official applications, they submit various types of PoI ranging from a PAN card, Driving License, Passport to a Voter ID card, and more. Considering the identification is issued from different governing bodies, it becomes difficult to accurately validate each type of document. But, through demographic authentication, Aadhar eliminates the requirement to carry out offline verifications. By following few simple steps online, the authorities gain the advantage of running online checks for biometric as well as demographic verification that are not only accurate but reliable as well.

Why is Aadhaar Authentication Required?

There are many public and private bodies/agencies that offer subsidies, benefits, and services to customers, associates, and employees. The agencies require an authentication process that is simple, instant, and reliable to carry out their functions. The availability of various types of identification documents makes it difficult for the agencies to validate each type of document with accuracy. With the introduction of Aadhaar Authentication, Unique Identification Authority of India (UIDAI) is expecting to provide a more reliable method of identifying documents submitted by individuals. The information collected after the biometric verification and demographic authentication of an individual is being stored at a centralised platform authorised by UIDAI.

The Aadhaar Authentication Methods

While performing the authentication, the following types of information is used to verify individuals:

  • Demographic Authentication - While applying for the Aadhar, we provide our basic personal details such as name, date of birth, address, and gender etc. These kinds of details are categorized as demographic details. When the CIDR verifies the Aadhar details against the demographic information, it is called Demographic Authentication. It basically involves the process of checking the basic personal details that are already in the repository, against the information provided by an individual to the authorized agencies.
  • Biometric Authentication - When the biometric details captured during the verification of Aadhar is matched against the provided scan, it is called a Biometric Authentication. There are two types of Biometric Verification processes:
  • Multi factor Authentication – The UIDAI also provides a combination of authentication processes. An agency may choose to run multiple authentication methods based on the requirements. This is known as multi factor authentication.
  • OTP-based Aadhaar Authentication – There is also an additional option to verify individuals based on the OTP sent to their Aadhar registered mobile number. The individual will require providing the Aadhar number along with the OTP to confirm the identity.

What are the Benefits of Aadhaar Authentication?

The Aadhaar contains demographic as well as biometric information that enables it to offer a high level of security authentication process. The process has many advantages over the traditional offline verification methods. Few of the benefits are listed below:

  • Functions as a PoA - The Aadhar and e-Aadhar are accepted as a legal PoA document. The individuals can produce Aadhar for various types of applications such as opening a new bank account, applying for a passport, availing LPG connection with/without subsidy etc.
  • Identifying beneficiaries - By using the Aadhar Authentication services, the service providers can perform quick authentication checks to ensure the targeted beneficiary is entitled to the benefits and services.
  • Transactions and payments - Aadhar will help in authenticating financial transactions through various Unified Payment Interface (UPI) based mobile applications. Recently, the government has launched the BHIM app that uses Aadhar Authentication process to validate transactions and payments among individuals and merchants.

The government is still exploring areas where the Aadhar Authentication process can be implemented. Considering the wide range of advanced multi factor authentication features, secure methods, speed, and reliability, Aadhar is surely one of the best methods to identify individuals accurately.

This article is intended for informational purposes only. For more information please refer the link(s) provided above or visit

Aadhaar Card Info
Aadhaar Card Process
Link to Mobile Network
Link to Financial Service
Link to Other Utility Product
Aadhaar Enrolment Centers
Articles On Aadhaar Card

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