Verify mobile number to view the solution
Solutions
Final arrangement is here:

Clues: Two boxes are kept between box X and box T. Two boxes are kept between box Y and box T
Inference: From the above condition we have two possible cases here:

Clues: Box W is kept immediately above box V. The number of boxes kept between box U and box W is the same as between the number of boxes kept between box Y and box T. Box U is kept somewhere above box V.
Inference: Here we get two possible cases:
Clues: Box U is not kept adjacent to box Y.
Inference: From the above condition case1 gets eliminated here:

Inference: After placing box Z. Final arrangement is here:

Box W is kept at third position from the bottom