A rock of sedimentary origin, limestone is composed of calcium carbonate or calcium and magnesium, or a combination of these. With natural characteristics such as fossils and shell formations, calcite streaks or spots, pit holes, open texture streaks, honeycomb formations, iron spots and others, limestone has a varied appearance and texture lending even more versatility as a building material. Bonded through millions of years of heat and pressure, limestone varies in hardness and is commonly found in colors including black, grey, white, yellow and brown. Recrystalized, limestone becomes marble. Lime stone is an ingredient in thousands of products in the market today. From immaculate buildings like Empire State Building in the United States to beautiful mansions that are centuries old to modern homes we live in, lime is also applied in Effluent Treatment Plants,  Agriculture and Plantations, Shrimp farms, Sugar refining, Glass, Paper & Pulp Industries, Food & Food by products, Iron & Steel, the Highway & Airport tarmacs, the application of Lime is endless.

M. P. Rappai & Sons is one of the leading business groups in Thrissur District, Kerala and was formed in 1983. The firm is engaged in a broad spectrum of business activities including Cement Trading, C/F Activities, Transport, Real Estate, Property Developing ,Resorts & Plantation. M. P. Rappai & Sons is the C/F agents for Ultratech & Zuari Cements, and the authorized/whole sale dealers of Dalmia, Ultratech, Zuari & Penna Cements.