Odisha Chief Minister Naveen Patnaik on Wednesday sought Rs 6,500 crore for railway projects in the state in the Union Budget for 2018-19.In a letter to Railway Minister Piyush Goyal, Patnaik said such a package will help both Odisha and Indian Railways in furthering their goals of economic and social justice."This packages includes detailed proposals for the ongoing projects, sanctioning new lines, station modernisation, introduction of new trains, extension of existing trains, improved passenger amenities at stations and others," the letter said.He said Odisha generates annual revenue for Indian Railways in excess of Rs 15,000 crore and yet the average route length, with a rail density of 16, in the state is much less than the national average of 20.Patnaik also urged the upgrade of Bhubaneswar and Puri stations to world class facilities as promised by the Railway Ministry in 2009-10 budget. The railway budget was merged with the general budget from 2017-18.