the procedure of investigation under CRPC is a crucial part of a criminal justice system, It outlines steps and processes.

What is the procedure of Investigation under CrPC?

Introduction –

Investigation under the Code of Criminal Procedure (CrPC) in India is the foundational stage of the criminal justice system, where the process of unraveling alleged crimes begins. It serves as the critical bridge between a reported offense and the subsequent legal proceedings.

The CrPC lays down the comprehensive framework that guides law enforcement agencies in conducting thorough, impartial, and lawful investigations. This stage is integral to upholding the principles of justice, as it is where evidence is collected, witnesses are interviewed, and the basis for legal action is established.

The investigation process is defined by a delicate balance, where the pursuit of justice and the protection of individual rights are paramount. The CrPC incorporates safeguards to ensure that the accused are treated fairly and that their fundamental rights are respected throughout the investigative process.

It is within this framework that law enforcement authorities carry out their duties to uncover the truth, uphold the rule of law, and protect society from criminal activity. In this intricate dance of justice, the investigation under CrPC serves as the initial step, setting the stage for the subsequent legal proceedings that determine the fate of those accused of wrongdoing.

What is the procedure of investigation under CrPC?

The procedure of investigation under the Code of Criminal Procedure (CrPC) in India is a crucial part of the criminal justice system. It outlines the steps and processes that law enforcement agencies follow when a crime is reported. Here’s a brief overview of the typical procedure of investigation under CrPC:

  • First Information Report (FIR):
    • The investigation usually begins with the lodging of an FIR by the victim or a witness at a police station.
    • The FIR should contain essential details about the alleged offense, including the date, time, place, and the names of the persons involved.
  • Recording Statements:
    • The police officer in charge of the police station (usually the Station House Officer or SHO) records the statements of the complainant and witnesses.
    • If necessary, the police may also record statements of the accused.
  • Site Visit and Inspection:
    • The police visit the scene of the crime to gather evidence and gather information about the crime.
  • Collection of Evidence:
    • This includes collecting physical evidence such as weapons, fingerprints, photographs, and other relevant items.
    • Witness statements and any other pertinent documents are also collected.
  • Interrogation of Accused:
    • If there are accused individuals, they may be questioned to gather information about their involvement in the alleged crime.
  • Medical Examination:
    • If the offense involves bodily harm or sexual assault, the victim and accused may undergo medical examinations to collect medical evidence.
  • Arrest:
    • If evidence suggests the involvement of a suspect, the police may arrest the person according to the procedures outlined in CrPC.
  • Search and Seizure:
    • The police may obtain search warrants from a magistrate to search for and seize relevant evidence.
  • Forensic Analysis:
    • Any collected evidence is sent for forensic analysis, such as fingerprint analysis, DNA testing, ballistics examination, etc.
  • Statements and Confessions:
    • If the accused provides a statement or confession, it should be recorded in the manner prescribed by CrPC, ensuring that it’s voluntary and not obtained through coercion.
  • Chargesheet:
    • If the investigation reveals sufficient evidence, the police file a chargesheet (also known as a charge sheet or final report) in court, which contains details of the crime and evidence.
  • Filing of the Case:
    • The court examines the chargesheet and may issue summons or warrants to the accused based on the information provided.
  • Trial:
    • The case proceeds to trial, where the prosecution presents evidence and witnesses, and the accused has the opportunity to defend themselves.
  • Verdict:
    • After the trial, the court delivers a verdict, which can result in acquittal or conviction.
  • Appeal:
    • Either party (the prosecution or the accused) can file an appeal in a higher court if they are dissatisfied with the trial court’s verdict.

It’s important to note that the exact procedures may vary depending on the nature of the offense, the location, and specific legal requirements. The CrPC provides a structured framework for conducting criminal investigations and trials in India. It ensures that investigations are carried out fairly, and the rights of the accused are protected throughout the process.

What is the Cognizable & Non Cognizable offence regarding Investigation?

In the context of criminal law, offenses are categorized into two main types: cognizable offenses and non-cognizable offenses. These categories determine how law enforcement authorities, such as the police, handle and investigate the offenses.

Cognizable Offense:

  • Definition: A cognizable offense is a more serious crime, typically involving grave matters like murder, rape, robbery, and other major criminal activities. These offenses are of a severe nature and often result in the arrest of the accused without the need for a warrant.
  • Police Powers: In the case of cognizable offenses, the police have the authority to register a First Information Report (FIR) without requiring a court order or a complaint from the victim. They can also investigate, arrest, and interrogate the accused without a warrant.
  • Private Complaints: For cognizable offenses, a private individual (complainant) or the police can file a complaint, and the police can initiate the investigation based on this complaint.
  • Examples: Murder, rape, robbery, kidnapping, dowry death, and human trafficking are examples of cognizable offenses.

Non-Cognizable Offense:

  • Definition: Non-cognizable offenses are generally less severe crimes, often involving minor infractions or personal disputes. These offenses are considered less serious in nature.
  • Police Powers: In the case of non-cognizable offenses, the police cannot register an FIR or arrest the accused without the permission of the court. Instead, the complainant must file a formal complaint with the court.
  • Court’s Role: The court reviews the complaint and decides whether to initiate the legal process, including registering the FIR, conducting an investigation, or issuing an arrest warrant.
  • Examples: Non-cognizable offenses include offenses like simple assault, defamation, minor property damage, and certain cases of cheating.

It’s important to note that while these categories help classify offenses for legal and investigative purposes, the severity and classification of a crime can vary from one jurisdiction to another. Additionally, some offenses may have both cognizable and non-cognizable aspects, depending on the specific circumstances and the applicable laws in a particular region or country.

What is the role of technology in Investigation under CRPC?

Technology plays an increasingly pivotal role in the investigation process under the Code of Criminal Procedure (CrPC) in India, enhancing the efficiency, accuracy, and transparency of investigations. The integration of technology has brought about several significant advancements, revolutionizing the way law enforcement agencies gather, process, and analyze evidence. Here are some key aspects of the role of technology in investigation under CrPC:

  • Digital Evidence: Technology has made it easier to collect and analyze digital evidence, such as emails, social media posts, and electronic communication records. This is especially critical in cases involving cybercrimes, financial fraud, and online harassment.
  • CCTV Footage: Surveillance cameras and closed-circuit television (CCTV) systems have become ubiquitous, providing valuable visual evidence in criminal investigations, including thefts, assaults, and other crimes.
  • Forensic Tools: Digital forensics tools and techniques help investigators recover and examine data from electronic devices like computers and smartphones. This is essential for cases involving data theft, hacking, or cybercrimes.
  • Fingerprint and Facial Recognition: Biometric technology, such as fingerprint and facial recognition, aids in identifying suspects and matching individuals to criminal records. It is used in various cases, including identifying missing persons or verifying the identity of suspects.
  • DNA Analysis: DNA profiling technology has greatly improved the accuracy and speed of identifying suspects and solving crimes, including sexual assault cases and cold cases.
  • Data Management and Analysis: Technology facilitates the storage, management, and analysis of vast amounts of data related to investigations, making it easier for law enforcement agencies to connect the dots and identify patterns in criminal activities.
  • Data Sharing and Collaboration: Technology enables the sharing of investigative data and evidence among law enforcement agencies and across jurisdictions, enhancing coordination in complex cases.
  • Video and Audio Analysis: Advanced software tools assist in analyzing video and audio recordings, helping investigators enhance the quality of evidence and extract valuable information.
  • Geospatial Technology: Geographic Information System (GIS) and geospatial technology help in mapping crime patterns, tracking suspect movements, and analyzing crime scene data.
  • Online Databases: Databases like criminal records, fingerprints, and DNA profiles are maintained and accessed electronically, streamlining the process of verifying identities and tracking criminal histories.
  • Artificial Intelligence and Machine Learning: These technologies can assist in predicting crime patterns, analyzing data, and improving investigative efficiency. They have applications in predictive policing and criminal profiling.
  • Digital Case Management: Law enforcement agencies are adopting digital case management systems to streamline administrative tasks, document management, and evidence tracking.

While technology has significantly improved the investigative process, it also raises concerns related to privacy, data security, and the potential for misuse. Ensuring that law enforcement agencies use technology ethically and responsibly is crucial to maintaining the balance between effective crime-solving and protecting civil liberties. As technology continues to advance, it will likely play an even more substantial role in future investigations under CrPC.

What is the provision of Investigation outside India under CRPC?

The Code of Criminal Procedure (CrPC) in India primarily governs the investigation, prosecution, and trial of criminal offenses within the territory of India. However, the CrPC also includes provisions that allow for cooperation with foreign countries in certain situations, particularly when it comes to the investigation of crimes that have transnational implications. These provisions are outlined in Sections 166A to 166S of the CrPC.

Here are some key provisions regarding the investigation outside India under the CrPC:

  • Section 166A – Definitions:
    • This section defines several terms related to international cooperation in criminal matters, including “extradition,” “extradition offence,” “foreign state,” and “treaty.”
  • Section 166B – Extradition of Persons to Foreign States:
    • This section deals with the extradition of individuals to foreign countries. It outlines the process for requesting the extradition of a person who is wanted for prosecution or the execution of a sentence in a foreign state.
  • Section 166C – Request for Extradition:
    • This section specifies the information required for a valid extradition request, including details about the offense, evidence, and identity of the individual sought.
  • Section 166D – Submission of Request:
    • This section outlines the procedure for submitting an extradition request, including the role of the Central Government in processing and forwarding such requests to the concerned court.
  • Section 166E – Surrender of Person to Foreign State:
    • This section deals with the court’s authority to order the surrender of the accused person to the foreign state upon fulfilling the necessary legal requirements.
  • Section 166F – Proceedings of the Court:
    • This section specifies the procedures and powers of the court when considering an extradition request, including the examination of evidence, the legality of the request, and the rights of the accused.
  • Section 166G – Extradition of Accused or Convicted Persons:
    • This section pertains to cases where a person is accused of an offense or has been convicted in a foreign state and seeks extradition from India or vice versa.
  • Section 166H – Custody and Bail:
    • This section addresses the custody and bail of the accused during extradition proceedings.
  • Section 166I – Appeal:
    • The provision allows for appeals to a higher court in extradition cases.
  • Section 166J – Nonextradition of Indian Nationals:
    • This section outlines the general principle that Indian nationals may not be extradited.
  • Section 166K – Trial for Other Offenses:
    • In cases where the extradition request pertains to multiple offenses, this section addresses the trial for offenses not covered by the extradition request.
  • Section 166L – Central Authority:
    • This section designates the Central Government as the central authority for dealing with extradition matters.
  • Section 166M – Extradition Treaties:
    • The CrPC recognizes the importance of extradition treaties with foreign countries, allowing for the implementation of extradition arrangements.

These provisions are designed to facilitate cooperation in international criminal matters, including the extradition of individuals involved in transnational crimes. The exact process and requirements for extradition may vary depending on the specific treaty obligations between India and the foreign state in question.

What are the key features of Investigation under CRPC?


The Code of Criminal Procedure (CrPC) in India outlines several key features of the investigation process. These features are crucial to ensure a fair and transparent investigation. Here are some of the key features of the investigation under CrPC:

  • Fair and Impartial: Investigations must be fair, impartial, and free from any bias or prejudice. The police are obligated to act without discrimination and treat all parties equally.
  • FIR Registration: The investigation generally commences with the registration of a First Information Report (FIR) when a cognizable offense is reported. The FIR is a detailed account of the alleged crime, including essential information.
  • Preservation of Crime Scene: The police must take immediate steps to preserve the crime scene, prevent contamination, and safeguard any evidence.
  • Recording of Statements: The law enforcement officer in charge of the police station must record the statements of the complainant, witnesses, and the accused, if applicable.
  • Search and Seizure: The police may conduct searches and seizures of relevant places and articles with proper authorization from a magistrate, including search warrants and arrest warrants.
  • Medical Examination: In cases involving bodily harm or sexual assault, the police must ensure that the victim undergoes a medical examination, and the accused may also be examined as necessary.
  • Interrogation and Arrest: Suspects may be interrogated, but it must be conducted in accordance with the law and with respect for the suspect’s rights. Arrests should be made following due process and based on reasonable grounds.
  • Forensic Examination: Physical and forensic evidence collected during the investigation should be sent for analysis to relevant forensic labs.
  • Witness Protection: Adequate steps must be taken to protect the identity and safety of witnesses, especially in cases where their testimony may put them at risk.
  • Right to Legal Representation: The accused has the right to legal representation, and the police should inform them of this right. If the accused cannot afford legal counsel, the state may provide one.
  • Recording of Confessions and Statements: Any statements or confessions obtained from the accused must be recorded in a prescribed manner, ensuring that they are voluntary and not obtained through coercion.
  • Chargesheet: Once the investigation is complete and there is sufficient evidence, the police file a chargesheet in court, providing details of the alleged offense and the evidence collected.
  • Magisterial Oversight: A magistrate exercises supervision over the investigation process, ensuring that the police act within the boundaries of the law and do not violate the rights of the accused.
  • Public Prosecutor’s Role: The Public Prosecutor represents the state in court, presenting the case during the trial phase and ensuring that the accused’s rights are protected.
  • Right to Fair Trial: The accused is entitled to a fair trial, where they have the opportunity to present a defense, cross-examine witnesses, and be heard.
  • Appeal Process: Either party can file an appeal in a higher court if dissatisfied with the trial court’s verdict, which ensures that justice can be further reviewed.

These key features are designed to safeguard the rights of all parties involved in the criminal investigation process, maintain the rule of law, and ensure that justice is served fairly and transparently.

What is the Supreme Court views on Investigation under CRPC?

The Supreme Court of India has provided several important guidelines and views regarding investigations under the Code of Criminal Procedure (CrPC) to ensure fair and just investigative processes. These views are based on interpreting the law and upholding the principles of justice. Some notable views of the Supreme Court on investigations under CrPC include:

  • FIR Registration: The Supreme Court has emphasized the importance of promptly registering an FIR when a cognizable offense is reported. It has held that the police must not refuse to register an FIR if a complaint discloses a cognizable offense.
  • Fair and Unbiased Investigation: The Supreme Court has stressed the need for investigations to be conducted fairly, impartially, and without any bias or prejudice. It has held that investigators should not be influenced by extraneous considerations and should act in accordance with the law.
  • Human Rights and Dignity: The Supreme Court has recognized the importance of upholding the human rights and dignity of individuals during investigations. It has prohibited the use of third-degree methods, torture, or cruel treatment of suspects or accused individuals.
  • Right to Legal Representation: The Supreme Court has affirmed the right of the accused to legal representation during the investigation process. It has held that the police should inform the accused of their right to legal counsel and provide them with an opportunity to consult with an advocate.
  • Recording of Statements and Confessions: The Supreme Court has laid down specific guidelines for the recording of statements and confessions. It has stressed the need for transparency and the use of video recording to ensure that statements and confessions are not obtained under duress.
  • Magisterial Oversight: The Supreme Court has highlighted the importance of magisterial oversight of investigations. Magistrates play a crucial role in ensuring that the investigative process adheres to legal procedures and respects the rights of the accused.
  • Protection of Witnesses: The Supreme Court has recognized the need to protect witnesses, especially in cases where their safety may be at risk. It has directed the establishment of witness protection programs to ensure their safety.
  • Forensic Evidence: The Supreme Court has emphasized the importance of collecting and preserving physical and forensic evidence properly to ensure its admissibility in court.
  • Right to a Fair Trial: The Supreme Court has consistently upheld the right of the accused to a fair trial. It has stressed the importance of ensuring that the accused has the opportunity to present a defense, cross-examine witnesses, and be heard.
  • Public Prosecutor’s Role: The Supreme Court has underlined the role of the Public Prosecutor in representing the state in court and ensuring that the prosecution’s case is presented ethically and fairly.
  • Expedient Investigation: The Supreme Court has called for investigations to be conducted expeditiously, without undue delay, to ensure that justice is served promptly.

These views and guidelines issued by the Supreme Court are essential for upholding the rule of law, protecting the rights of individuals, and ensuring that investigations are conducted in a just and transparent manner under the provisions of the CrPC. They serve as a reference for law enforcement agencies, the judiciary, and legal practitioners in India.

What is the Supreme Court landmark Judgements regarding Investigation?

The Supreme Court of India has issued several landmark judgments over the years that have significantly impacted the procedures and guidelines for criminal investigations. Some of these landmark judgments are:

  1. D.K. Basu vs. State of West Bengal (1997):
    • This case is a milestone in the protection of human rights during police custody. The Supreme Court issued guidelines to prevent custodial torture, deaths, and other forms of police abuse. The court mandated the presence of legal counsel during interrogations, regular medical check-ups of detainees, and the preparation of an arrest memo with a time and date stamp.
  2. R. Sukumaran vs. Superintendent of Police (1999):
    • In this judgment, the Supreme Court reiterated the importance of adhering to the guidelines established in the D.K. Basu case. It emphasized the need to document and record every step of the arrest and detention process.
  3. Lalita Kumari vs. Government of Uttar Pradesh (2014):
    • This judgment clarified that the police are required to register an FIR when they receive information about a cognizable offense. The court laid down a procedure for dealing with non-registration of FIRs, which helps ensure that no cognizable offense is ignored.
  4. Sheela Barse vs. State of Maharashtra (1983):
    • This landmark judgment recognized the rights of women prisoners and emphasized that women should not be subjected to degrading and inhuman treatment in police custody.
  5. State of Haryana vs. Bhajan Lal (1992):
    • In this case, the Supreme Court established the “Bhajan Lal Test” to deal with cases of abuse of power by the police, including false or vexatious criminal proceedings. The test allows the High Courts to quash such proceedings to prevent abuse of the legal process.
  6. State of Rajasthan vs. Union of India (2017):
    • The Supreme Court emphasized the importance of maintaining the chain of custody of evidence and ensuring the integrity of physical evidence during investigations.
  7. State of NCT of Delhi vs. Navjot Sandhu (2005) (Parliament Attack case):
    • In this case, the court clarified the law on confessions made to police officers. It held that a confession made to a police officer is not admissible in court, and a confession should only be made before a magistrate.
  8. Nilabati Behera vs. State of Orissa (1993):
    • This judgment dealt with custodial deaths and held that the state is liable to compensate the family of the deceased when death occurs in police custody.

These landmark judgments have had a significant impact on the procedures and guidelines for investigations in India. They have helped protect the rights of individuals, prevent custodial abuse, and ensure that investigations are conducted in a fair and just manner, in line with constitutional principles and international human rights standards.

Critical Analysis of Investigation under CRPC?

A critical analysis of the investigation process under the Code of Criminal Procedure (CrPC) in India reveals both strengths and weaknesses. It’s essential to evaluate the system to identify areas where improvements can be made to ensure fairness, efficiency, and the protection of individual rights. Here is a critical analysis of investigation under CrPC:


  • Legal Framework: The CrPC provides a structured legal framework that guides the investigative process. It lays down clear procedures and safeguards to protect the rights of individuals.
  • Protections for Accused: The CrPC includes provisions that protect the rights of the accused, such as the right to legal representation, safeguards against self-incrimination, and the requirement for voluntary confessions.
  • Magisterial Oversight: The involvement of magistrates in the oversight of the investigation helps ensure that the police act within the boundaries of the law and respect the rights of the accused.
  • Right to a Fair Trial: The investigation process aims to gather evidence in a manner that enables the accused to have a fair trial, where they can present their defense and cross-examine witnesses.
  • Judicial Precedents: The Supreme Court’s landmark judgments have provided important guidelines to protect the rights of individuals during investigations, ensuring that human rights are upheld.


  • Delay: Investigations in India often suffer from significant delays, which can result in the accused spending extended periods in custody. Delay can lead to problems in the administration of justice.
  • Underfunding and Resources: Many police departments in India lack adequate funding and resources, impacting their ability to conduct thorough and efficient investigations.
  • Corruption and Misconduct: Instances of corruption and misconduct within law enforcement agencies can compromise the integrity of investigations and lead to miscarriages of justice.
  • Custodial Torture: Despite legal safeguards, instances of custodial torture and abuse still occur, indicating a gap between legal provisions and their implementation.
  • Inadequate Forensic Facilities: The availability and quality of forensic facilities can vary significantly across the country. This impacts the effectiveness of evidence collection and analysis.
  • Witness Intimidation: Witnesses, particularly in high-profile or sensitive cases, may face intimidation or threats, hindering the investigative process and the administration of justice.
  • Inconsistent Implementation: The implementation of investigation procedures can vary from one jurisdiction to another, leading to disparities in the quality and fairness of investigations.
  • Lack of Accountability: Instances of police misconduct or abuse of power sometimes go unpunished, leading to a lack of accountability within the law enforcement agencies.
  • Legal Reforms: The legal framework for investigations has seen significant amendments over time, but there is an ongoing need for further reforms to address emerging challenges and international standards.
  • Public Trust: Public trust in the investigation process can be eroded due to the perception of bias, inefficiency, or corruption in the law enforcement agencies.

In summary, while the Code of Criminal Procedure in India provides a solid legal foundation for the investigation process, there are significant challenges and shortcomings that need to be addressed. These include issues related to delay, resource constraints, corruption, and the need for consistent implementation of procedures. Strengthening the investigative process is essential to ensure that justice is not only done but is also seen to be done. This can be achieved through legal reforms, better training, improved resources, and a greater emphasis on accountability and transparency in the investigative process.

Conclusion –

Investigation under the Code of Criminal Procedure (CrPC) in India is a multifaceted and essential aspect of the criminal justice system. It is designed to balance the imperatives of justice and the protection of individual rights. The CrPC provides a comprehensive framework that guides law enforcement agencies through the process, ensuring that investigations are conducted fairly, transparently, and in accordance with established legal standards.

The involvement of magistrates, the oversight of the Supreme Court, and the clear guidelines for safeguarding the rights of the accused play a pivotal role in upholding the principles of justice. However, the investigation process is not without its challenges. Delays, resource constraints, corruption, and the persistent issue of custodial abuse remain areas of concern.

To enhance the efficiency and fairness of investigations, there is a continued need for reforms that address these shortcomings and align with international standards. In essence, the investigation process is a critical juncture where the law enforcement’s duty to maintain order and justice meets the imperative to protect individual rights, demanding constant vigilance and adaptation to meet the evolving demands of the criminal justice system.

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