Name the Longest National Waterway of India. Write Any Three Points of Importance of Waterways.

The longest National Waterway of India is the Ganga river between Allahabad and Haldia.

Importance of waterways:

1. It is most suitable for carrying heavy and bulky goods.
2. It is a fuel efficient and environment friendly.
3. More than 95% of the country’s trade volume is moved by the sea.
4. It is the cheapest means of transport.
5. They are the natural routes which do not involve cost of construction.