Multiple choice general knowledge history First Rail Tunnel Parsik Tunnel Howrah Tunnel Karbude Tunnel Konkan Tunnel Reveal answer Fill a bubble to check yourself A Correct answer Explanation The Parsik Tunnel, completed in 1916 on the Mumbai-Kalyan line, is historically recognized as one of India's first major rail tunnels. While the Karbude Tunnel is much longer, it was built much later as part of the Konkan Railway project.