Shree Niranjana Swamy Polytechnic does not offer any marine-specific courses. Their website and other online resources list their available courses such as Diploma courses in Automobile Engineering, Civil Engineering, Electronics & Communication Engineering, Mechanical Engineering, and Electrical Engineering. The duration of these courses is 3 years and admission to these courses is offered on the basis of merit of candidates in the last qualifying exam. You can also reach out to the admissions department or relevant faculty members via email or phone to inquire about marine-related courses.