India’s longest Electrified Rail Tunnel was inaugurated on 01st September 2019 by honourable vice-president M. Venkaiah Naidu. This tunnel, which has 44 trolley refuges and 14 cross-passages in a horseshoe design, is located between Cherlopalli and Rapuru in Andhra Pradesh. The total construction cost of this tunnel is Rs 437 crore and has a length of 6.7 Kms. Vice-president Naidu called the tunnel an “engineering marvel”. The tunnel will provideRead More