Aditya Birla Management Corporation Limited is the manufacturer of Portland Pozzolana Cement. Aditya Birla Management Corporation Limited under the group `UltraTech Cement is ISO 9001, ISO 14001 and OSHAS 18001 certified. The Portland Pozzolana Cement is normal portland cement blended with pozzolanic materials [power-station fly ash, burnt clays, ash from burnt plant material or silicious earths], either together or separately. This cement forms extra strong cementing material which resists wet cracking, thermal cracking and has a high degree of cohesion and workability in concrete and mortar.