A detective is an inspector, usually a member of a law enforcement agency. They frequently assemble knowledge to resolve crimes by communicating to eyewitnesses and witnesses, accumulating substantial proof, or examining reports in databases. This motivates them to arrest culprits and allow them to be convicted in court. A detective may work personally or for the police.

In some police authorities, a detective position is received by giving a written test after the person fulfils the qualifications for being a police officer. In many other police systems, detective agency in Mumbai is college alumni who attach straight from civilian life without first working as uniformed officers. The detective department in most big police agencies like the Private Detective In Mumbai is organized into various squads or sections, each of which specializes in investigation into a particular type of violation or a particular type of undercover operation. 

 Detective Services In Mumbai have a large variety of methods available in managing investigations. However, the majority of problems are solved by the investigation of defendants and the interviewing of eyewitnesses, which takes time. Besides investigations, Detective In Mumbai may depend on a network of witnesses they have developed over the years. Witnesses often have connections with persons a prosecutor would not be able to approach formally. Evidence collection and maintenance can also help in identifying a potential suspect.

Criminal investigation: the examination of criminal activity is conducted by the police. Criminal action can relate to street use such as racing, drunk driving, or to topics such as theft, drug dealing, assault, fraud, etc. When the police have terminated their investigation, a decision on whether to impose somebody with criminal aggression will often be made by prosecuting counsel having examined the evidence presented by the police.

In criminal investigations, once a prosecutor has prisoners in mind, the next step is to provide evidence that will stand up in a field of law. The most reliable way is to obtain a statement from the suspect; usually, this is done by increasing harmony and at times by asking for information in exchange for possible perks prepared through the attorney's agency, such as registering for a lesser penalty in exchange for valuable knowledge. In few countries, like Private Investigator Mumbai agents may lie, cheat and psychologically compel a suspect into an entrance or confession as long as they do this within procedural limits and without the warning of injury or promises outside their authority.

Forensic evidence

Physical forensic proof in an examination may provide leads to closing a case. Forensic science is the statement of a broad colour of sciences to answer problems of concern to the legal arrangement. 

Records investigation

Private investigation agencies may use public and private reports to provide background knowledge on a subject. Police detectives can hunt through files of fingerprint documents.