Shelter Infra Projects Limited engages in the infrastructure and real estate construction businesses in India and internationally. Its services cover geo-technical, foundation, civil, public health, and structural engineering design and construction works. The company's projects include highway and railway structures, such as multi-span bridges across rivers, flyovers, underpasses, tunnels, suspension bridges, pipe-line crossings across wide rivers and swamps, sub-surface and elevated railways, large underground storage reservoirs, material handling plants, thermal power plants, water treatment plants, industrial and irrigation structures, industrial cooling towers, chimneys, and silos, etc. It is involved in the rental activities. The company was formerly known as Central Concrete and Allied Products Ltd and changed its name to Shelter Infra Projects Limited in September 2010. The company was incorporated in 1972 and is headquartered in Kolkata, India. Shelter Infra Projects Limited operates as a subsidiary of Ramayana Promoters Private Limited.