Who We are


Chennai Branch Office was divided into MDC-I (Marks Department, Chennai – I) dealing with Food, Agriculture, Textiles, Medical & Hospital Equipments , Petroleum and related products and MDC-II (Marks Department, Chennai – II) dealing with Civil, Electrical, Metallurgical products in 1988. Subsequently, MDC – I was renamed as CNBO-II (Chennai Branch Office -II).
The jurisdiction of CNBO-II is as follows:
    DISTRTICTS OF TAMIL NADU
  • Tiruvallur
  • Chenglepet
  • Villupuram
  • Kallakuruchi
  • Ranipet
  • Tiruvannamalai
  • Krishnagiri
  • Cuddalore and
  • ANDAMAN AND NICOBAR ISLANDS
CNBO –II is the custodian of around 800 Product Certification Licences and 1200 jeweller registrations. Major Product Certification Licensees are generally manufacturers of Steel, Pipes,Cement, Packaged Drinking Water and Electrical Products.
For any product/licence/procedure related queries, please feel free to contact us over phone or through email. You may also download the BIS Care App (available on Android/iOS platforms) and BIS Certified Products for any product/licence related queries or information regarding the quality of BIS certified products.
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