how can i do naval architecture ofter completig my diploma in shipbuilding engineering.. please suggest me some colleges in india..

Hi Kishan, With a 4 years diploma in Shipbuilding engineering, you can look for the courses in institute which would offer Naval Architecture. Very few institutes offer this course as in a B.E/ B.Tech Degree, like the following: IIT Kharagpur, IIT Chennai, Kochi University of Science and Technology