National Accreditation Board for Testing and Calibration Laboratories (NABL) is a constituent board of the Quality Council of India (QCI). Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Commerce and Industry, Government of India, serves as the nodal department for QCI.
NABL is an accreditation body, with its accreditation system established in accordance with ISO/ IEC 17011. “Conformity Assessment –Requirements for Accreditation bodies accrediting conformity assessment bodies.” NABL provides voluntary accreditation services to Testing, Calibration, Medical testing laboratories, Proficiency Testing Providers (PTP), Reference Material Producers (RMP) and Biobanks.
NABL is Mutual Recognition Arrangements (MRA) signatory to ILAC* as well as APAC for the accreditation of Testing and Calibration Laboratories (ISO/IEC 17025), Medical Testing Laboratories (ISO 15189), Proficiency Testing Providers (PTP) (ISO/IEC 17043) and Reference materials producers (RMP) ( ISO 17034).
NABL is self-financing and charges fees to Conformity Assessment Bodies to cover operational costs and other expenditure. NABL offers accreditation services in a non-discriminatory manner.
*A new, single international accreditation organisation, Global Accreditation Cooperation Incorporated, has been established on 1 January 2026 to bring together the work of the International Laboratory Accreditation Cooperation (ILAC) and the International Accreditation Forum (IAF). Click Here for further details
NABL and its personnel and committee members are committed to ensure integrity of its systems and operations at all times. NABL acts impartially and avoids any conflict of interest that may compromise its ability to make impartial decisions. NABL ensures:
- To carry out accreditation activities in a non-discriminatory manner.
- There are no constraints that might influence decision making.
- That it does not engage in any activity which could compromise its impartiality.
- That it does not provide consultancy to conformity assessment bodies, nor does it undertake any conformity assessment activities itself. It does not promote the services of any specific body.
- Fair representation of stakeholders in NABL Board.