Which of the following statements is correct about Chennai Port?

a- It is an artificial harbour built in 1859.

b- Tamil Nadu and Puducherry are its hinterland.

Both statements are correct.

Chennai Port is one of the oldest ports on the eastern coast. It is an artificial harbour built in 1859. It is not much suitable for large ships because of the shallow waters near the coast. Tamil Nadu and Puducherry are its hinterlands.