https://mime.ritey.com/
Upload a file to discover it's MIME type. Free mime type detection. What MIME type. MIME checker. Test MIME type based on PHP library
mimecheckertypediscover
https://www.uidai.gov.in/en/ecosystem/training-testing-certification-ecosystem/training-testing-and-certification-policy-2023.html
UIDAI is mandated to issue an easily verifiable 12 digit random number as Unique Identity - Aadhaar to all Residents of India.
certification policydoc typetrainingtestingpdf