The order is for the construction of institutional buildings at Bhubaneshwar in Orissa, the company said.
NBCC (India) was earlier known as National Buildings Construction Corporation. It is a Navratna category I company, and is also listed on the exchanges.
It engages in the Real Estate Development & Construction business, and provides Project Management Consultancy.
Simplex is primarily engaged in infrastructure construction, including bridges, railway tracks and roads.
It also has some exposure to oil drilling services, real estate, and hire of plant and equipment.