National Test House

NTH

The National Test House (NTH) is a premier scientific and technical institution under the Department of Consumer Affairs, Ministry of Consumer Affairs, Food & Public Distribution, Government of India. Established in 1912 under the Railway Board, NTH specializes in testing, calibration, evaluation, and quality assurance of engineering materials and finished products according to national and international standards. It supports industry, commerce, trade, standardization, and promotes domestic manufacturing and self-reliance. NTH operates through multiple regional laboratories located across India including Kolkata, Mumbai, Chennai, Ghaziabad, Jaipur, Guwahati, and Varanasi. Its services include testing, failure analysis, consultancy, R&D support, standardization, and accreditation assistance.