There are many other specialization MBA in Finance, Operation, IT, Marketing etc. All the specialization  are good and have the scope in its own field. It depends on your interest & capability. If you want to go for Event Management, It is also a good option, The programme Event management is a process of organizing a professional and focused event, for a particular target audience. It involves visualizing concepts, planning, budgeting, organizing and executing events such as fashion shows, musical concerts, corporate seminars, exhibitions, wedding celebrations, theme parties, product launching etc.
Event Management Scope

Qualified event management professionals are in demand these days and are recruited by event management companies.You may get opportunity to be a part of the team that manages events like- Corporate Events, Seminars, Fashion Shows, Product Launches, Press Meetings, Concerts, Award Ceremonies, Exhibitions, Weddings, Family events, Birthday parties, Adventure tours and events etc.  As per your skills & potential you can expect a good package as well.

Good Luck!