The investigation, prosecution, and adjudication of criminal proceedings in India are governed by the Code of Criminal Procedure (CrPC). A criminal case's pre-trial phase is an essential time when many significant choices are taken that could influence how the trial turns out. Investigation is one of the main and essential parts of Criminal Justice system. An efficient and timey investigation is inevitable. In India due to the inefficient opaque and delayed investigation the innocent person has to suffer and the culprit gets the benefit of it, either in form of bail or acquittal. Scientific methods of collecting evidence are not used by police in India. When investigating officer fails to find sufficient true evidences they try to include false evidences. The Indian judiciary plays a significant role in protecting the rights of the people and it has tried to give certain rights like right to speedy trial, right to fair trial etc. a constitutional status by including all these rights within the purview of Article 21 of Indian Constitution. The judiciary in India has played a dynamic role in the dispensation of justice by providing fair and just trial to all its citizens. This paper describes all facets of criminal trials in India and also delves into the role of public prosecutor in investigation and prosecution and stresses the need for a comprehensive new law for speedy adjudication of criminal cases in India.
