(i) India’s internal trade takes place through railways, waterways, roads, airways, etc. Ports like Mumbai, Kolkata, Cochin and Chennai are important.
(ii) Commodities like coal, cotton, cotton textiles, rice, wheat, raw jute, iron, steel, oilseeds, salt, sugar, etc. are included in internal trade.
(iii) Due to the development of industries, the standard of life in the country improves.
(iv) Many opportunities for employment become available. On the whole, it helps in the progress of the country.