Building Material Testing
Testing services related to construction and building materials to support quality control and project requirements.
- Cement Testing
- Concrete Testing
- Soil Testing
- Bitumen Testing
Nirvan Testing & Research Laboratory Pvt. Ltd.
Reliable Testing. Trusted Results. Quality You Can Build On.
Professional testing, research and quality-assurance services for building, road, infrastructure and engineering projects — from a NABL accredited, ISO 9001:2015 certified laboratory in Patna, Bihar.
- NABL Accredited
- ISO 9001:2015 Certified
- Professional Testing Laboratory
- Construction & Infrastructure Testing
- NABL Lab Code
- T-8940
- Certificate No.
- TC-17978
NABL Accredited
Accredited to ISO/IEC 17025:2017 for testing — Laboratory Code T-8940, Certificate No. TC-17978.
ISO 9001:2015
A certified ISO 9001:2015 company with a documented quality management approach.
Advanced Laboratory
Highly advanced equipment as per IS specifications, calibrated by NABL certified calibration agencies.
Experienced Team
Experienced scientists, analysts and engineers supporting laboratory and technical activities.
Who We Are
About NTRL
Nirvan Testing & Research Laboratory Pvt. Ltd. is a professional testing and research laboratory based in Patna, Bihar, providing testing and quality-assurance services for building, road and infrastructure-related projects.
NTRL focuses on reliable laboratory and field testing supported by advanced equipment, experienced technical professionals and quality-oriented processes.
The company supports clients with testing, analytical and research requirements associated with construction and infrastructure projects, as per relevant specifications or as specified by Government and semi-Government departments.
Third-party
Independent testing
Disciplines
Mechanical & Chemical
Incorporated
December 2019
What We Do
Our Testing & Research Services
Comprehensive testing and investigation solutions for construction, infrastructure and engineering projects.
Road Material Testing
Testing and quality-assurance support for road construction materials and infrastructure projects.
- Material quality evaluation
- Construction quality control
- Laboratory testing
- Project support
Soil Testing
Professional soil testing for construction and infrastructure-related requirements.
- Laboratory soil testing
- Field investigation
- Soil characterisation
Concrete Testing
Testing of concrete and related construction requirements for quality assurance.
- Concrete cube testing
- Compressive strength testing
- Concrete-related laboratory testing
Cement Testing
Professional cement testing for construction quality control and material assessment.
View serviceBitumen Testing
Testing and evaluation of bitumen and related materials used in road and infrastructure projects.
View service
Our Strengths
Why Choose NTRL?
Accreditation, calibrated equipment and experienced technical professionals behind every test report.
- 01
NABL Accreditation
NABL accredited laboratory — Laboratory Code T-8940, Accreditation Certificate No. TC-17978, in the field of testing.
- 02
ISO 9001:2015 Certified
A certified ISO 9001:2015 company, reflecting a documented quality management approach to laboratory work.
- 03
Advanced Equipment
The laboratory is equipped with highly advanced equipment as per IS specifications, supporting a wide range of testing.
- 04
Calibrated Equipment
Equipment is calibrated by NABL certified calibration agencies, supporting traceable and dependable results.
- 05
Experienced Technical Professionals
Experienced scientists, analysts and engineers support laboratory and technical activities, guided by a retired Chief Engineer from the State Government.
- 06
Quality & Reliability
Independent, third-party testing focused on accuracy, reliability and technical compliance.
Inside The Laboratory
Laboratory & Equipment
A modern materials testing laboratory equipped as per IS specifications and calibrated by NABL certified calibration agencies.
Laboratory interior and testing infrastructure 
Laboratory testing equipment 
Advanced testing equipment
Project Experience
Our Project Experience
Testing and technical support across construction, infrastructure, railway and development projects.
Smart City Muzaffarpur Smart City Ltd.
Testing & technical support
Railways East Central Railway
Testing & technical support
Government Infrastructure Bihar Medical Services & Infrastructure Corporation Ltd.
Testing & technical support
Government Infrastructure Bihar State Educational Infrastructure Development Corp. Ltd.
Testing & technical support
EPC & Infrastructure AFCONS Infrastructure Limited
Testing & technical support
Roads & Highways PNC Infratech Ltd.
Testing & technical support
Trusted By
Our Valuable Clients
Organisations listed in NTRL company documentation. Client logos will be displayed only once NTRL confirms permission and provides original files.
Bihar Medical Services & Infrastructure Corporation Ltd.
Bihar State Educational Infrastructure Development Corp. Ltd.
East Central Railway
Muzaffarpur Smart City Ltd.
IDA, Bihar
AFCONS Infrastructure Limited
PNC Infratech Ltd.
Ram Kripal Singh Construction Pvt. Ltd.
R & R Associates, Patna
Accreditation
Certifications & Accreditation
Independent accreditation and certification supporting the credibility of every NTRL test report.
NABL Accredited Laboratory
Accredited by the National Accreditation Board for Testing and Calibration Laboratories (NABL) in accordance with ISO/IEC 17025:2017, 'General Requirements for the Competence of Testing & Calibration Laboratories'. The scope of accreditation is defined in the annexure to the certificate.
- Laboratory Code
- T-8940
- Certificate Number
- TC-17978
- Standard
- ISO/IEC 17025:2017
- Field
- Testing — Mechanical and Chemical discipline
- Issue Date
- 05/05/2026
- Valid Until
- 04/05/2030
ISO 9001:2015 Certified
Certified through Bureau of Accredited Registrar (AIAO-BAR), USA / World Registration Group (WRG).
- Standard
- ISO 9001:2015
- Certification Body
- AIAO-BAR (USA) / World Registration Group (WRG)
- Certificate Number
- El-2305011
Certificate of Incorporation
Certificate of Incorporation issued by the Government of India, Ministry of Corporate Affairs, confirming the incorporation of Nirvan Testing and Research Laboratory Private Limited under the Companies Act, 2013.
- Company Name
- Nirvan Testing and Research Laboratory Private Limited
- CIN
- U74999BR2019PTC044363
- Incorporation Date
- 03 December 2019
- Issuing Authority
- Ministry of Corporate Affairs, Government of India
- Registration Centre
- Central Registration Centre
Certificate of Achievement
This certificate is awarded in recognition of outstanding achievement and contribution.
- Achievement
- Certificate of Achievement
- Awarded To
- Nirvan Testing & Research Laboratory Pvt. Ltd.
Have a testing requirement for your project?
Share your project details and testing scope. Our technical team will respond with the support you need.
Contact NTRL
Let's Discuss Your Testing Requirement
Contact NTRL for testing, investigation and quality-assurance requirements.
Phone
Address
4A/11, Jagdamba Path, Near Mahima Friends, North S.K. Puri, Boring Road, Patna - 800013, BiharWhatsApp
Website