With this question, the interviewer wants to know your ability and ambition to develop yourself as well as the ability to plan for the future. An example of good answer might be:

If you are not sure about your goals, you should answer:

I'm busy contributing with the goals of the Company; that is the reason why, I have not focused much on my personal goals.

If you have goals:

Try to tell it being as honest as possible, without exaggeration because, it could lead to contradictions.