The Aadhaar card, a 12-digit unique identification number issued by the Unique Identification Authority of India (UIDAI). It is a crucial identification document in India. For the robust identity verification system, it uses a combination of biometric (fingerprints, iris scans) and demographic (name, address, date of birth) data. By using the Aadhaar card, citizens can access government subsidies, make transactions, or complete KYC easily. This Aadhaar guide covers everything from how to apply Aadhar card online, how to verify Aadhar card, to explaining to you what is Aadhar card.
The Aadhar Card is a 12-digit unique identification number issued by the Unique Identification Authority of India (UIDAI) to residents of India. It uses biometric data (fingerprints and iris scans and demographic data (name, date of birth, address, etc.)) to uniquely verify each individual. It can be used for the following purposes:
Here are all the Aadhar card variants and what makes them unique:
These variants and features make Aadhaar versatile and secure for various use cases.
Applying for an Aadhaar Card is simple and convenient through myaadhaar.uidai.gov.in. it can be done online or offline according to your convenience. You can simply book an online appointment or go to any of the available authorized Enrollment Centres directly. Donot forget to carry your ID, address, and date of birth proofs for verification. Aadhaar is issued within 60-90 days.
For detailed steps, check our full guide: How to Apply for a New Aadhaar Card
You can track your Aadhaar application to know its expected delivery date. Here's how to check Aadhar Card status
Once your Aadhaar is processed, you can download it online in PDF format through the UIDAI website or mobile app. It works the same as the physical Aadhaar card. You only need your Aadhaar number, Enrollment ID, Virtual ID or your registered mobile number to download the Aadhaar card online. Here is how you can download your aadhar card online.
For a step-by-step guide, Check: How to Download Aadhar Card
You can track your Aadhaar application to know its expected delivery date. Here's how to check Aadhar Card status:
Always confirm fees at Enrollment Centres to avoid overcharges.
Everyone should keep their Aadhar card details, such as new address, name, or mobile number, updated to enjoy services uninterrupted. You can do it online and offline according to your convenience. You can change your details, such as address and mobile number, online, but to make biometric changes (e.g., fingerprints), you need to visit the Aadhaar Enrollment centre in person.
Get the full instructions at: How to Update or Change Details in Aadhar
It is very important to link your mobile number with your Aadhaar card. Through this, you can receive OTPs in real time and enjoy Aadhaar services flawlessly at your comfort.
Click here to know: How to Manage and Check Mobile Numbers Linked with Aadhar (2025)
Aadhaar can also be seamlessly integrated with other documents such as PAN card, Voter ID, bank account, or many other documents and services. In some cases, it is mandatory by the government to link Aadhaar with other documents. It helps you in filing taxes, availing LPG subsidy, and making big transactions.
Click here to learn: How to Link Aadhaar with Other Documents (2025)
This is a very important Aadhaar feature for people who are more concerned about their privacy. Virtual ID (VID) is a 16-digit temporary number issued by UIDAI. Virtual ID (VID) can be used for authentication instead of the real Aadhaar number to protect your personal information.
Learn how VID works and how to generate yours: What is Virtual ID (VID) in Aadhaar and How to Generate It (2025)
To ensure a smooth experience with your Aadhaar, follow these tips:
The Aadhaar Card is a unique 12-digit ID. It can be used for identity verification, accessing subsidies, filing taxes, and KYC processes
You can book an appointment and download the form online, but are required to visit to the Enrollment Centre to provide your biometric data.
As the name suggests, e-Aadhar Card is a digital, password-protected PDF version of your Aadhaar. You can easily download it from the UIDAI website.
PVC Aadhar Card is a durable, plastic version of Aadhaar, which can be ordered online for ₹50.
VID in Aadhar Card is a 16-digit Virtual ID used for authentication to protect your Aadhaar number.
You can easily verify your Aadhaar card by using the UIDAI website's "Verify Aadhaar Number" tool, or alternatively you can also scan the QR code on your e-Aadhar Card or PVC Aadhaar Card.
You can track your Aadhaar card application status by using your Enrollment ID on the UIDAI website.
It only takes from 60 to 90 days after enrollment to get an Aadhar Card. Alternatively, you can download the e-Aadhar Card sooner after it's generated.
Yes, any person living in India for more than 182 days can apply new Aadhar Card.
To ensure a smooth experience with your Aadhaar, follow these tips:Every indian should apply for, and get their Aadhaar Card to enjoy its features and benefits. It is free to get identification document through the UIDAI. It has a very simple process from application, verification and correction. Go through the How to apply Aadhar Card online, how to link Aadhar Card, or how to verify Aadhar Card to learn everything about Aadhar card.