The government today said it will come up with a new 10-year plan to boost the country's maritime sector in two months. <br/><br/>The new plan will replace the existing over one lakh-crore rupee National Maritime Development Programme or NMDP, which constituted of a 55,803-crore rupees capacity enhancement<br/>scheme for major ports and a project for developing inland waterways with the remaining amount.<br/><br/>Shipping Secretary K Mohandas said, an exercise is on to prepare a 10-year action plan for maritime development and it will be ready in about two months' time. <br/><br/>NMDP, an ambitious programme conceived by the Shipping Ministry, envisaged taking the capacity of 12 major ports to one billion tonnes by March 2012 from the existing 574.77 million tonnes.