Simplex Projects Ltd is an infrastructure construction company. It is engaged in the construction of bridges and flyovers, residential and commercial buildings, power plants to chemical factories and multiplexes to a shopping mall. Some of the company's project is Construction of Road Over Bridge on Koderma Station, Construction of Proposed ROB at Mithapur, Patna, Construction of Interchange at Dunlop Junction, B.T. Road, Construction of Flyover along Canal Bank Road across Main Arterial Road at New Town, Kolkata, and other related projects. It generates a majority of its revenue from Construction Activity.