Profile: Rohit Corporation specializes in providing cement, putty, ready-mix concrete and mobile concrete laboratory. Ordinary portland cement is the most commonly used cement for a wide range of applications. These applications cover dry-lean mixes, general-purpose ready-mixes, and even high strength pre-cast & pre-stressed concrete. Portland pozzolana cement ( PPC ) is obtained by blending pozzolanic material with ordinary portland cement. Portland clinker is ground with gypsum and pozz.