I am Siva Prasad Patta from Visakhapatnam. Interested in ports and shipping sectors developments, Infrastructure, logistics around the World,I doing this video's to gain some knowledge,in this sectors and develop my career, skills and experience to share to my best. I request the viewer, please comment on my video's and give me good suggestion and constructive feedback In this regard. Thanking you. Mobile number: 9676729894.email: sivaprasadpatta@yahoo.com