Q. Consider the following observations regarding various types of AADHAAR cards:

1. Baal Aadhaar - biometric data is mandatory.
2. Pashu Aadhaar - for tagging all animals in India.
3. mAadhaar - uses QR code for verification.
4. Udyog Aadhaar - provided by Ministry of Commerce and Industry.

Which of the above is/are correct?
Answer: Only 3
Notes: Baal Aadhaar is a blue variant of the Aadhaar card for children under 5, requiring no biometric data. Pashu Aadhaar, or Animal UID, tags bovine animals in India for the Information Network for Animal Productivity and Health, managed by the National Dairy Development Board. mAadhaar is a digital version of Aadhaar accessible via a mobile app, featuring a QR code for offline verification. Udyog Aadhaar is a 12-digit UID for SMEs issued by the MSME Ministry since 2015.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.