NEW DELHI: NBCC (India) has secured an order worth Rs 150 crore for construction of Central Board of Secondary Education (CBSE) integrated office building at Sec-23, Dwarka, New DelhiThe proposed building will be built on a plot area of 3 acres.Previously, NBCC had constructed the CBSE HQ building at Preet Vihar, New Delhi in 1990.The company has also executed CBSE’s regional office at Rai Bareilly and Bhubaneshwar.