As per Section 24 of Indian Evidence Act 1872 confession caused by inducement threat or promise may be irrelevant. Provision related to Section 24 of Indian Evidence Act 1872 is:
A confession made by an accused person is irrelevant in a criminal proceeding, if the making of the confession appears to the Court to have been caused by any inducement, threat or promise (For prohibition of such inducements, etc., see the Code of Criminal Procedure, 1898 (Act 5 of 1898), s. 343.) having reference to the charge against the accused person, proceeding from a person in authority and sufficient, in the opinion of the Court, to give the accused person grounds, which would appear to him reasonable, for supposing that by making it he would gain any advantage or avoid any evil of a temporal nature in reference to the proceedings against him.
The following cases are related to Section 24 of Indian Evidence Act 1872.
Mohammed Ajmal Mohammad Amir Kasab @ Abu Mujahid Vs State of Maharashtra:
Criminal Appeal Nos. 1899-1900 of 2011 Mohammed Ajmal Mohammad Amir Kasab @ Abu
Mujahid Vs State of Maharashtra with Criminal Appeal No.1961 of 2011
State of Maharashtra Vs Fahim Harshad Mohammad Yusuf Ansari & Another and
Transfer Petition (Criminal) No.30 of 2012 Radhakant Yadav Vs Union of India &
others