Chapter II
Fundamental Objectives and Directive Principles of State Policy
17.
(2) In furtherance of the social order -
(b) the sanctity of the human person shall be recognised and human dignity shall be maintained and enhanced ;
Fair trial standards
Rights during investigation - not to be subjected to any form of coercion, duress or threat, to torture or to any other form of cruel, inhuman or degrading treatment or punishment
EDIT.