dalmia legacy hirakud dam made 1950 Shri Jaidayal Dalmia sets up a cement plant at Rajgangpur in Orissa to manufacture super grade cement to build the Hirakud Dam.
ocl refractory 1952 Orissa Cement Ltd. (OCL) commissions a refractory plant.
dalmia magnesite corporation 1956 Dalmia Magnesite Corporation constituted in Salem, Tamil Nadu. Comprising three companies - Orissa Cement Ltd., Dalmia Cement Ltd. and Magnesite Corporation of India Ltd. - the partnership is an industrial undertaking for prospecting magnesite ores and manufacture of dead burnt magnesite.
govan-travels-new-delhi 1970 Dalmia Bharat Sugar sets up a travel agency 'Govan Travels' in New Delhi.
hari machines ltd 1971 Hari Machines Ltd. started as a small company, initially catering to the needs of OCL for expansion of its refractory plant.
ocl into railwasy


OCL develops broad gauge mono block concrete sleepers for the Railways.