Inland Waterways And Famous Waterways

Inland fishwater is:

Which is the most heavily used inland waterways in the world? Why is it important?

With regard to water transportation in India, which of the following statements are correct? 1. Headquarters of Central Inland Water Transport Corporation is located at Delhi. 2. Headquarters of Inland Waterways Authority of India is located at Noida. 3. National Inland Navigation Institute is located at Kolkata. 4. First National Inland Water way was between Haldia and Allahabad. Select the correct answr using the code given below

"The Volga is one of the most developed inland water-ways in Russia". Justify.