Uploaded January 2026 | Updated September 2026, 2 weeks ago

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Edward Henry, along with Azizul Haque and Hemchandra Bose, came up with a rigorous system of fingerprint classification in 1897. How does this system work, and what are its benefits? What is meant by primary, secondary, sub-secondary, and final classification? What about key and major? Let's go through all the details.

Script by Kuldeep Kawar

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