NCRB’s National Database on Sexual Offenders (NDSO) and use of NCRC/CCTNS for verification; cyber crime reporting helpline
NCRB’s National Database on Sexual Offenders, NCRC verification portals, and the national cyber-crime reporting system are tools for criminal-record checks and cyber-crime reporting in India.

- The National Crime Records Bureau operates the National Database on Sexual Offenders and supports digital crime-record verification systems.
- The National Database on Sexual Offenders is designed for investigative use in sexual-offence cases and is accessible only to authorised law-enforcement agencies.
- State Governments and Union Territory administrations are primarily responsible for prevention, detection, investigation, and prosecution of crimes.
- The Ministry of Home Affairs has provided an online portal and the 1930 helpline for reporting cyber-related offences.
What happened
The Ministry of Home Affairs has said that the National Crime Records Bureau’s National Database on Sexual Offenders (NDSO) is a centralized database used by law-enforcement agencies for the investigation, detection, and prevention of sexual offences. The ministry also said that the National Crime Records Check (NCRC) portal, CCTNS-linked citizen verification services, the cyber-crime reporting portal, and the 1930 helpline are available for criminal-record checks and reporting cyber offences.
Background and earlier position
UPSC may ask how the National Database on Sexual Offenders, National Crime Records Check, CCTNS, ICJS, and the cyber-crime reporting portal improve investigation, verification, and complaint registration while also raising issues of access control, data protection, and federal responsibility for policing.
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