The correct option is C Length of roads
India requires investment worth Rs. 50 trillion in infrastructure by 2022 to have sustainable development in the country. Thus Indian infrastructure sector currently faces the problem of low investments. The current logistics cost of India is 14 per cent of GDP, while in the US and Europe, it ranges between 8-10 per cent. This shows that Indian logistics cost is higher than many developed nations. Railways cross subsidise passenger fares. The length of roads in India is one of the highest in the world.