Hari Shankar Singhania Elastomer and Tyre Research Institute (HASETRI) has become the world’s first accredited Proficiency Testing Provider (PTP) for Rolling Resistance Tests by the National Accreditation Board for Testing and Calibration Laboratories (NABL). The unique certification has been awarded according to ISO 17043:2010 standards for C1 (passenger car tyres), C2 (light truck tyres), and C3 (heavy truck tyres) tests.