Waterways have the following advantages.
a. It is the most convenient means for transporting heavy and bulky goods.
b. It is the cheapest and most common means of trade.
a.National waterway number 1 on the Ganga connects Allahabad in Uttar Pradesh to Haldia in West Bengal
b.National waterway number 2 on the Brahmaputra connects Sadiya in Arunachal Pradesh to Dhubri in Assam