The Airports Authority of India's (AAI) Kolkata Airport has undertaken the work of construction of new Air Traffic Control (ATC) Tower and technical block at an estimated cost of Rs 458 crores, said AAI in a press release on Tuesday.

"The new ATC Tower complex spread in an area of 2040 square meters will accommodate all ANS units for efficient air traffic management. With more than 50 meters of height, the new building will be equipped with advanced digital technology in the field of communication and air traffic systems," AAI said in the here