Mizoram achieves historic railway connectivity through the Bairabi-Sairang line, featuring India's second-tallest pier bridge at 114 meters, constructed using premium steel from Chhattisgarh's Bhilai Steel Plant. The ₹8,071 crore project spans 51.38 kilometers, incorporating 153 bridges & 45 tunnels to connect the northeastern state to India's national rail network for the first time since independence. Economic projections indicate 2-3% annual GDP growth, with reduced travel times & transportation costs transforming regional commerce & accessibility.