More Tips
This question will always be asked in an interview. They way you answer this question talks more of the connection with the company. If you like to work in a company and perform most likely attitude towards the company is also key.
This question in a simple way tries to gather all this.
Why do you want to work as a consultant? Or why do you want to work as a (position) are the most often question that can be asked.
Research well about the company before the interview. This will give you insights on company’s line of work. Search this information from company’s site or else gather the same from colleagues who work there. Or who worked there.