Hello Rohan Kumar,

DNA fingerprinting a technique used especially for identification (as for forensic purposes) by extracting and identifying the base-pair pattern of an individual's DNA. — called also DNA typing, genetic fingerprinting.

The procedure for creating a DNA fingerprint consists of first obtaining a sample of cells, such as skin, hair, or blood cells, which contain DNA. ... DNAis extracted, treated with restriction enzymes, and sequenced using gel electrophoresis to create a geneticfingerprint Encyclopædia Britannica, Inc.

Thanku.