sentences:  Karnataka has 1 major port; the New Mangaluru Port and 10 minor ports; Karwar, Belekeri, Tadri, Honnavara, Bhatkal, Kundapur, Hangarkatta, Malpe, Padubidri and Old Mangaluru.The construction of the New Mangaluru Port was started in 1962 and completed in 1974.It was incorporated as the 9th major port in India on 4 May 1974.