How many boxes are between the one who at second place from the bottom and D?

We are given with the following information, Three boxes are kept between G and A. G is kept one of the box before A. Only one box is placed between A and H .Two boxes are between H and B. If box G is placed on the top then A is placed at 3^rd position from the bottom of the stack. Only one box is kept between B and E. Box D is not kept immediately before or immediately after the box H. C is placed immediately above D. According to the given information, D cannot be placed immediately before or after H and box C is kept just before box D.  CASE 1 AND CASE 3 got eliminated because C and D are kept together, which is not possible in both these case.  So the final arrangement is: