Which is a better option among M.Sc and MBA?

Both are excellent fields. It depends on your interests and skills. If you are interested in a technical/research field then go for M.Sc. But if science and technology do not excite you then you should pursue MBA. But before opting for any one stream, explore and understand yourself, and your passio

It all depends upon in which field you want to make a career. If you're asking regarding financial gains, then MBA is preferable (only if done from the top B-Schools). Also, there are specialisations namely IT management & systems which are considered by those who are from an IT/computer background

Both have different specialisations. It totally depends on you and where your interest lies i.e. in management or in science. All the best.