Bridge 144 of Mizoram's Bairabi-Sairang railway line, inaugurated by PM Narendra Modi on Saturday, is taller than Delhi's Qutab Minar, Union Railways Minister Ashwini Vaishnaw said. While Qutab Minar reaches 72m, the bridge is reportedly 114m tall. The 51.38 km railway line has 45 tunnels and 143 major and minor bridges. India's Chenab Bridge is the world's tallest rail bridge.