- K1 (MAL) ISO 9K
- K1 (MAL) - ISO 14K, 45K Certified
- K7-K8 & JNPT (MAL) - ISO 9K, 14K, 45K Certified
- Srikakulam (MAL) - ISO 9K
- Panipat (MAL) - ISO 9K
- CSR – Approved Projects – FY 2021-22
- STL – ISO 9001 – 2015, ISO 14001 – 2015 & BS OHSAS 18001 – 2007
- Quality Policy
- STL – ISO 9001 – 2015
- STL- NRC Policy
- STL- CSR Policy
- Whistle Blower Policy
