That's what I thought but no, it is going to be group interview. When is your interview day? Mine is on the 24th of this Month?
There's really nothing to worry about mate. I used to be like you and felt very anxious about the group interview because I had no prior experience regarding the group interview before. Guess what, it turned out to be nothing at all really. Comparing to the personal interview, I think the group interview is even easier since you have time to formulate your answers instead of being bombarded with questions in the personal interview.
Here is my advice: use the group interview to your advantage , listen to what other people say and you can make your answer better and you can stand out from the rest of those people .