Hello,

The answer to your question to a large extent depends on your areas of interest, skills, and preference for job profile, if your have inclination towards core technical areas and its various aspects such as software development, programming languages, technological advancements etc, then MCA is good for you as you'll grasp all the knowledge pertaining to advanced technical skills, opportunities are there in telecom companies, software development firms, IT Consultancies, consultancy firms, job profile includes that of software developer, consultant,  systems manager etc, on the other hand MBA is directed at managerial and administrative career, there are general MBA or even specialized ones in marketing, operations, HR, finance, IT to name a few. this field will be more suited if you possess leaderships skills, analytical skills, critical thinking, innovation skills, effective communication skills, as these are imperative when it comes to pursuing a career in management, mba is one of the most sought after course, it just doesn't just enhance your knowledge, but further opens up a plethora of work opportunities in various sector, pursuing mba from a reputed b-school is always recommended because as this course fee structure is pretty high, hence you must check out the infrastructure, faculty, quality of education, placement scenarios while opting for the same as ROI is an important factor while consideration and eventually candidates pursue MBA to scale their career to higher level with good pay package along with career growth, admission to mba is generally done through various entrance exams such as cat,mat, xat, atma, nmat, snap,cmat, there are also state level exams such as mah cet, ts icet, kmat etc,

As per your subject combinations you're already equipped with the technical knowledge , hence the option of mca is good,  pursuing mba will be a new avenue to explore in your case, however as I aforementioned eventually it's dependent on your preference, skillsets, choice for job profiles, the thing about mba is candidates from any background can persue this course, there are no barriers.