On Saturday  02-03-1997 , for construction of Baharestan Metro station and Tunnel N2O2 a contract signed between IEC’s afiliated company, Mihansaz (Dr N. Y. Rouzegari Managing Director and Dr. F. M. Kalantari) and Tehran Metro Compan, .  (Mr. Mohsen Hashemi  Managing Director and   Chairman of Board and Mr. Masood Ahmadi).