New Delhi. 26 July 2016. The Indira Gandhi International Airport is going to get a new air traffic control tower with state-of-the-art equipment. The height of the new air traffic control (ATC) tower at IGI Airport is 102m. The cost of the tower and equipment as part of overall project cost as approved by the Airports Economic Regulatory Authority (AERA) is Rs.350 crores. It took around 4 years to construct this tower. The old control tower will remain operational till the new ATC Automation System in the new control tower is stabilized.