Degree of MBA dual special skill systems for marketing. Marketing is mandatory systems is chosen as the second specialization SMU SIKKIM MANIPAL UNIVERSITY with the option to extend up to 4 years if needed online MANIPAL model 100 online providing through live online lectures sessions interactive chat rooms assignments an e-library and virtual labs on a dedicated LMS. https://www.umeacademy.com/latest-articles/sikkim-manipal-university-online-mba-in-system-management/