Iqbal Ahmed Ansari, J.

1. Article 21 guarantees fair trial. A fair trial is impossible if there is no fair investigation. In order to be a fair investigation, the investigation must be conducted thoroughly, without bias or prejudice, without any ulterior motive and every fact, surfacing during the course of investigation, which may have a bearing on the outcome of the investigation and, eventually, on the trial, must be recorded contemporaneously by the Investigating Officer at the time of investigation. A manipulated investigation or an investigation, which is motivated, cannot lead to a fair trial. Necessary, therefore, it is that the Courts are vigilant, for, it is as much the duty of the Court commencing from the level of the Judicial Magistrate to ensure that an investigation conducted is proper and fair as it is the duty of the Investigating Officer to ensure that an investigation conducted is proper and fair. A fair investigation would include a complete investigation. A complete investigation would mean an investigation, which looks into all aspects of an accusation, be it in favour of the accused or against him.

2. Article 21, undoubtedly, vests in every accused the