I have done my BCA, what all options do I have?

You can opt for any master's degree programme. You can do MCA MBA. Masters in Security Management is also a good option if done from a good college. Prepare for entrance exams for different colleges for these courses. After writing the entrance tests you can choose on the basis of your score. Also,

You can consider following courses: Master of Computer Applications (MCA) Masters Degree in Information Management (MIM) Masters in Computer Management (MCM) Post Graduate programme in Corporate Studies (PGPCS) Information Security Management (ISM) Master of Business Administration (MBA)