Q. The Buckingham Canal, which was declared national waterway of India, runs between:
Answer: Kakinada to Villupuruam
Notes: Buckingham Canal is a 796 kilometres long fresh water navigation canal from Kakinada in Andhra Pradesh to Viluppuram in Tamil Nadu. It runs parallel to the Coromandel coast. It was constructed during British rule and was an important waterway in the 19th and 20th centuries.

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