According to official figures, the network, which is currently under enormous pressure, carries more than 21 million passengers a day in the world’s most populous country.
India has invested enormous sums in recent years to go beyond simply modernizing its rail network.
But express trains are also operated, modern train stations are built, new rails are laid and electronic signaling systems are installed.
Last June’s accident was India’s third worst and deadliest accident since 1995, when 300 people died after two high-speed trains collided near Agra, where the Taj Mahal is being built.
