Anter Singh vs State of Rajasthan [(2004) 10 SCC 657]
Conditions necessary for the application of section 27 of the Evidence Act
16. The various requirements of the section can be
summed up as follows:
(1) The fact of which evidence is sought to be given must be
relevant to the issue. It must be borne in mind that the provision has nothing
to do with the question of relevancy. The relevancy of the fact discovered must
be established according to the prescriptions relating to relevancy of other
evidence connecting it with the crime in order to make the fact discovered
admissible.
(2) The fact must have been discovered.
(3) The discovery must have been in consequence of some information
received from the accused and not by the accused’s own act.
(4) The person giving the information must be accused
of any offence.
(5) He must be in the custody of a police officer.
(6) The discovery of a fact in consequence of information
received from an accused in custody must be deposed to.
(7) Thereupon only that portion of the information which
relates distinctly or strictly to the fact discovered can be proved. The rest
is inadmissible.