Simplex Infrastructures has secured orders worth Rs 577.09 crore.According to a release issued by the company to the BSE today, the major order worth Rs 439 crore is an engineering, procurement and construction (EPC) contract for the construction of an elevated expressway corridor in Hyderabad."The company has also won the Tsunami reconstruction project in Andaman and Nicobar islands for the construction of 1,050 units of permanent shelters (single storied) in the islands of Katchal, Kamorta and Nancowry islands worth Rs 83.41 crore, and construction of 821 units of permanent shelters (single storied) in the island of Terressa worth Rs 54.68 crore," the release added.