In the legal classification of a confession as a special kind of acknowledgment by an accused, which is…

A confession is a species of "Admission": an admission by an accused that acknowledges the offence or substantially all the facts constituting it, admission being defined in BSA section 15. Palvinder Kaur v State of Punjab (1952) holds that even a gravely incriminating admission is not necessarily a confession and that an exculpatory statement is not a confession at all, which rules out "A denial of guilt that negatives the alleged offence"; "Evidence of every kind, including physical exhibits" and "Any statement, including one that asserts no relevant fact" are far broader than the immediate category.