General Studies · Box Puzzle

Seven boxes G, H, I, J, L, M and N are kept one over the other but not necessarily in the same order. Only three boxes are kept above I. Only one box is kept between L and I. Only three boxes are kept between L and M. M is kept at some place above I. J is kept immediately below M. H is kept at one of the places above N. G is not kept immediately above or below L. Which box is kept at the lowermost position?