Rishi Cement Co. Ltd. was set up in 1987 and has been serving the construction industry in Jharkhand, Bihar, West Bengal, Orissa and exports to Nepal and Bangladesh Rishi Cement Co., Ltd. provides cement clinkers and Portland cement. Portland slag cement is made by blending granulated blast furnace slag with clinker. Portland Pozzalana cement is made by blending fly ash and cement. This is a special product having traces of red oxide blended with Portland slag cement for use in construction industries.