Aadhaar uses three types of biometric data — ten fingerprints, two iris scans, and a photograph — to uniquely identify each resident. These biometrics are the security foundation of the entire Aadhaar system: they ensure that each Aadhaar number corresponds to one real, unique person and cannot be fraudulently claimed by someone else. Over time, … Read more

An incorrect date of birth in your Aadhaar record is one of the most consequential errors you can have in any government document. Age-sensitive services — pension eligibility, age-restricted government schemes, senior citizen discounts, educational admission age requirements, and legal age verifications — all depend on the date of birth as recorded in your identity … Read more

Your name on Aadhaar should match the name on your other primary identity documents — Passport, PAN card, bank account, and educational certificates. A name mismatch between Aadhaar and these documents creates friction across banking, tax compliance, passport applications, and academic record verification. The most common reasons for an Aadhaar name change are a spelling … Read more

Finding the right Aadhaar enrollment center is the first practical step toward getting enrolled, updating your details, or correcting an error. UIDAI has built one of the widest enrollment networks in the world — centers are located at bank branches, post offices, government offices, hospitals, and Common Service Centers across every state, district, and block … Read more

Many people ask whether they can apply for Aadhaar entirely online — filling a form on the UIDAI website and receiving their card without visiting any office. The honest answer is: partly. You can complete significant preparatory steps online — downloading and pre-filling the enrollment form, locating the nearest center, booking an appointment, and tracking … Read more

The UIDAI online portal at uidai.gov.in is the official gateway for every self-service Aadhaar function available to residents. Through this portal you can download your e-Aadhaar, update your address or name, check enrollment and update status, order a PVC card, generate a Virtual ID, lock or unlock your biometrics and Aadhaar number, review your authentication … Read more

The Aadhaar PVC card is a durable, credit-card sized identity document issued by UIDAI. Unlike the standard laminated paper Aadhaar card mailed after enrollment, the PVC version is printed on rigid plastic — similar in size and feel to a standard bank debit or credit card. It fits easily in a wallet, resists water and … Read more

After completing your Aadhaar enrollment at a center, you receive an Acknowledgement Slip with your 14-digit Enrollment ID (EID) and enrollment date-time. These two pieces of information are your tools for tracking your application’s progress through UIDAI’s processing pipeline. Whether your Aadhaar is generated in 30 days or takes the full 90-day processing window, the … Read more

Moving to a new home is one of the most common life events that requires updating Aadhaar. An outdated address in your UIDAI record creates problems across multiple services — bank accounts opened with Aadhaar eKYC use your registered address for statements and correspondence, government welfare schemes deliver benefits to the registered address, and some … Read more

Your registered mobile number is the most important element of your Aadhaar account after the 12-digit number itself. Every OTP-based Aadhaar service — e-Aadhaar download, online address update, biometric lock, VID generation, authentication history review — depends entirely on your registered mobile being active and receiving SMS messages. Without an active registered mobile, you are … Read more