This is due to the following reasons.....

1) Railways are an easy mode of transport which is easily accessible and affordable at low cost with respect to other means like Airways.

2) Railways serve a lot of comfort and it's also time conserving. While comparing with others, there is not needed much verification and thus no time consuming.

3) For a fast developing country like India, it's still the only means since our Independence and for Illiterate people, it's the only mean for survival, providing every service at a cheap cost and every formalities in a smooth and easy way for the max. no. of people being illiterate and poor in thy country.

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Importance of Railways in India
Railways play a crucial role in the transportation sector of India for both freight and passengers. Here are some key reasons why railways are the principal mode of transportation in the country:

Cost-effective Transportation
- Railways are a cost-effective mode of transportation for both goods and passengers compared to roadways or airways.
- Bulk transportation of goods can be done at a lower cost per ton compared to other modes of transport.

Extensive Network
- India has one of the largest railway networks in the world, connecting various cities, towns, and rural areas.
- This extensive network ensures accessibility to remote areas that might not be well-connected by other modes of transport.

Efficient Movement of Goods
- Railways are particularly efficient for transporting heavy and bulky goods over long distances.
- It is a preferred mode for industries to transport raw materials and finished products.

Mass Passenger Transportation
- Railways are the lifeline for millions of passengers who travel daily for work, education, and leisure.
- Trains provide a comfortable and affordable mode of long-distance travel for people across different socio-economic backgrounds.

Environmentally Friendly
- Rail transport is more environmentally friendly compared to road transport as it helps in reducing greenhouse gas emissions.
- Trains are considered a sustainable mode of transport in the context of reducing carbon footprint.
In conclusion, railways have been the backbone of transportation in India due to their cost-effectiveness, extensive network, efficient movement of goods, mass passenger transportation, and environmental benefits. The Indian Railways continues to play a vital role in the country's economy and connectivity.